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Pearson Algebra 1 Common Core, 2011 View details

3. Solving Multi-Step Equations

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Exercise 48 Page 98

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

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, we will start by multiplying each side of the equation by 100 to clear the decimals.

0.25(d-12)=4

MultEqn

LHS * 100=RHS* 100

0.25(d-12)100=4*100

Multiply

25(d-12)=400

Distr

Distribute 25

(25)d-(25)12=400

Multiply

25d-300=400

AddEqn