Bellwork Solve. 1. 2. 3. 4..

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Bellwork Solve. 1. 2. 3. 4.

Writing and Solving Linear Equations These are the topics that will be on your test: Section 1 - Writing Equations by Looking at Tables Section 2 - Write and Solve One-Step Linear Equations Section 3 - Write and Solve Multi-Step Linear Equations Section 4 - Write and Solve Linear Equations with x on Both Sides Section 5 - Write and Solve Linear Equations with Two Different Variables Estimated Date of Test: October 12th

4. Undo addition or subtraction 5 steps to follow when Solving Equations (isolating x) 1. 2. 3. 4. Undo addition or subtraction 5. Undo multiplication or division

4. Undo addition or subtraction 5 steps to follow when Solving Equations (isolating x) 4. Undo addition or subtraction On the side of the = with x, look for the number that is by itself Undo (+) numbers with subtraction (–) Undo (–) numbers with addition (+)

5. Undo multiplication or division 5 steps to follow when Solving Equations (isolating x) 5. Undo multiplication or division On the side of the = with x, look for the number that is attached to x Undo multiplication with division Undo division with multiplication **If the number you’re getting rid of is negative, the number you’re •/÷ is also negative!!**

Undo addition and subtraction first, Undo multiplication and division Ex #1 TWO-STEP EQUATIONS 3x + 7 = -8 Undo addition and subtraction first, - 7 - 7 3x -15 THEN 3 3 Undo multiplication and division x -5 x = -5 GOAL: to get x by itself

Undo addition and subtraction first, Undo multiplication and division Ex #2 Undo addition and subtraction first, +4 +4 THEN 6 • -3 • 6 Undo multiplication and division -18 x x = -18 GOAL: to get x by itself

YOU TRY

Undo addition and subtraction first, Undo multiplication and division Ex #3 TWO-STEP EQUATIONS Undo addition and subtraction first, -1/2 -1/2 THEN Undo multiplication and division 3/4 3/4 u GOAL: to get x by itself

Undo addition and subtraction first, Undo multiplication and division Ex #4 Undo addition and subtraction first, +1/3 +1/3 THEN • 5 5 • Undo multiplication and division n 15 n = 15 GOAL: to get x by itself

YOU TRY