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Big Ideas Math Integrated I, 2016 View details

1. Solving Systems of Linear Equations by Graphing

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Exercise 35 Page 222

Apply inverse operations to isolate y.

y=2x+3

Practice makes perfect

To solve the given literal equation for y, we will use the Properties of Equality to apply inverse operations on the equation. Remember, only like terms can be combined.

9x+18=6y-3x

AddEqn

LHS+3x=RHS+3x

12x+18=6y

DivEqn

.LHS /6.=.RHS /6.

12x+18/6=y

WriteSumFrac

Write as a sum of fractions

12x/6+18/6=y

CalcQuot

Calculate quotient