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Big Ideas Math Integrated I, 2016

BI

Big Ideas Math Integrated I, 2016 View details

4. Perimeter and Area in the Coordinate Plane

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Exercise 36 Page 412

Gather all of the variable terms on one side of the equation and all of the constant terms on the other side.

x=3

Practice makes perfect

To solve an equation, we should first gather all of the variable terms on one side of the equation and all of the constant terms on the other side, using the Properties of Equality. In this case, the variable term is already on the left-hand side of the equation, so we will start by adding 7 to both sides of the equation.

3x-7=2

LHS+7=RHS+7

3x-7+7=2+7

Add terms

3x=9

.LHS /3.=.RHS /3.

3x/3=9/3

Calculate quotient

x=3

Subchapter links

Communicate Your Answer p.405

Monitoring Progress p.406-409

Exercises p.410-412