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Solve two-step equations.. 1) Solve 2x - 1 = -3 + 1 + 1 2x = -2 2 2 x = -1 2(-1) - 1 = -3 -2 – 1 = -3 1.Draw the river 2.Add 1 to both sides 3.Simplify.

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Presentation on theme: "Solve two-step equations.. 1) Solve 2x - 1 = -3 + 1 + 1 2x = -2 2 2 x = -1 2(-1) - 1 = -3 -2 – 1 = -3 1.Draw the river 2.Add 1 to both sides 3.Simplify."— Presentation transcript:

1 Solve two-step equations.

2 1) Solve 2x - 1 = x = x = -1 2(-1) - 1 = – 1 = -3 1.Draw the river 2.Add 1 to both sides 3.Simplify 4.Divide both sides by 2 5.Simplify 6.Check your answer D U · ÷ 2

3 · · 3 x = – 4 = 8 2) Solve 1.Draw the river 2.Add 4 to both sides 3.Simplify 4.Clear the fraction - Multiply both sides by 3 5.Simplify 6.Check your answer D U ÷ · 3

4 3) Solve 3y – 1 = 8 1.y = 3 2.y = -3 3.y = 4.y = Answer Now

5 3) Solve d – 4 = d = 10 1.Draw the river 2.Clear the fraction - Multiply both sides by 2 3.Simplify 4.Add 4 to both sides 5.Simplify 6.Check your answer D U - 4 ÷ 2 · 2 + 4

6 4) Solve 1.d = -7 2.d = d = d = 17 Answer Now

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8 5) Solve a = 35 1.Draw the river 2.Subtract 3 from both sides 3.Simplify 4.Clear the fraction – Multiply both sides by -7 5.Simplify 6.Check your answer D U ÷ · -7 Do/Undo Chart – This one is tricky! Remember to always use the sign in front of the number.

9 6) Solve z = 54 1.z = z = z = 35 4.z = 16 Answer Now

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11 · · 5 3x = x = 5 7) Solve 1.Draw the river 2.Subtract 1 from both sides 3.Simplify 4.Clear the fraction - Multiply both sides by 5 5.Simplify 6.Divide both sides by 3 7.Simplify 8.Check your answer D U · 3 ÷ · 5 ÷ 3


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