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Pearson Algebra 1 Common Core, 2011 View details

Chapter Review

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Exercise 30 Page 154

Apply inverse operations to isolate x.

x=-c/a+b

Practice makes perfect

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

ax+bx=- c

FactorOut

Factor out x

x(a+b)=- c

DivEqn

.LHS /(a+b).=.RHS /(a+b).

x(a+b)/a+b=- c/a+b

CancelCommonFac

Cancel out common factors

x(a+b)/a+b=- c/a+b

MoveNegNumToFrac

Put minus sign in front of fraction