Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Review: 53



Work Step by Step

$6x+3-(-x)=-20+5x-7$ $\longrightarrow$combine like terms $7x+3=-27+5x$ $\longrightarrow$addition property $7x+3-5x-3=-27+5x-5x-3$ $\longrightarrow$combine like terms $2x=-30$ $\longrightarrow$multiplication property $2x\div2=-30\div2$ $\longrightarrow$simplify $x=-15$
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