Answer
$$x=21$$
Work Step by Step
$$70=3x +7$$ $$63=3x$$ $$ 21=x$$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 2 - Solving Equations - 2-2 Solving Two-Step Equations - Practice and Problem-Solving Exercises - Page 92: 54
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