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Houghton Mifflin Harcourt Algebra 1, 2015

HM

Houghton Mifflin Harcourt Algebra 1, 2015 View details

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Exercise 1 Page 33

Isolate s using inverse operations.

s=-3

Practice makes perfect

To solve the equation, we need to isolate s using inverse operations and the Properties of the Equality.

7=4s+19

LHS-19=RHS-19

7-19=4s+19-19

Subtract terms

-12=4s

.LHS /4.=.RHS /4.

-12/4=4s/4

Calculate quotient

-3=s

Rearrange equation

s=-3

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Exercises p.33