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-11 = -18 + n -18 + 18 + 18 7 = n n = 7 Answer Isolate n: Cancel the -18 1.

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-6 -6 v – - 6 = -15 6 Change double neg. v – (-6) = -15 v = -21 Answer Isolate v: Cancel the +6 2.

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y – 4 = -12 – 4 +4 +4 y = -8 Answer Isolate y: Cancel the -4 3.

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-9 = x + (-11) (-11) +11 +11 Isolate x: x = 2 Answer Cancel the -11 4. 2 = x

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a + 15 = -45 + 15 -15 -15 a = -60 Answer Isolate a: Cancel the +15 5.

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13 + c = 10 13 -13 -13 c = -3 Answer Isolate c: Cancel the 13 6.

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5 15 5 15 ++ -( 8 15 Isolate b: 7. 1313 b+)= Get Common Denominator ( 8 15 15351535 b+) = - 8 15 5 15 b+) = - ( 5 15 - Cancel - 5 15 b = Answer 13 15

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-12m = 48 -12 -12 m = - 4 Answer Isolate m: Cancel the -12 8. -12

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4 4 t = - 36 Answer Isolate t: Cancel the 4 9. t 4 = -9 ( ) = (-9) t 4 4

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(-8) (-8) u = 48 Answer Isolate u: Cancel the -8 10. u 8 - = -6 (-) = (-6) u 8 8 -

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5 4 5 4 (-28) = ( w) 4 5 1 5 4 5 4 7 w = - 35 Answer Isolate w: 11. - 35 = w Cancel the 4 5 4 5 4 5 1 -28 = w 4 5

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1 4 1 4 1 4 1 4 ( 4n) = (- ) 23 8 1 Make into fractions, then isolate n. 12. 4 Cancel the 4 1 4n = - 2 7 8 n = - Answer 23 32

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- 5 12 (-12n) = (- ) 15 4 5 - 5 12 5 -12 Make into fractions, then isolate n. 13. Cancel the - 12 5 2 5 -2 n = - 3 3 4 4 5 n = or 1 Answer 25 16 9 16

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Write an equation: -10n = -50 Answer Negative ten times a number is -50 -10 14. n = -50

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4y – 11 = (y – 13) Answer 1 2 Eleven less than the product of four and y is equal to one-half the difference of y and 13. Eleven less than Write an equation: 11 15. 4y = ( ) product of four and y 1 2 difference y13

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( + ) 8(x + y) = 10 + 2y Answer Eight times the sum of x and y is 10 more than twice y Eight times Write an equation: 2 16. 8 = x sum y 10 + x y 10 more than y

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Write an equation: x – 20 = a b – 7 Answer A number x decreased by 20 is the same as seven less than a divided by b x 17. x = 20 seven less than 20 7 a b

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( + ) Write an equation: 3v = 2( w 3 + 8) Answer The product of three and v is the same as twice the sum of the cube of w and eight. sum 18. 3 = wtwice v 32 eight w product cube 8 three v

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1) GOAL : Get the variable on one side of the equation. 2) You always perform the same operation to both sides of an equation.

1) GOAL : Get the variable on one side of the equation. 2) You always perform the same operation to both sides of an equation.

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