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Solving Multi-Step Equations

Solving Multi-Step Equations 1.4 - Solution

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a
Subtract 66 from both sides of the equation and then divide by 3.3.
3x+6=243x+6 = 24
3x=183x= 18
x=6x = 6
b
Add 9 to both sides of the equation and then multiply both sides by 2.
y29=1\dfrac{y}{2}-9 = 1
y2=10\dfrac{y}{2} = 10
y=20y = 20