Question

$6(x - 5) = 2( x + 1)$
$20 + 4(x - 2) = x + 21$
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Answer 1

Explicación paso a paso:

6(x - 5) = 2( x + 1)

6x-30=2x+2

4x=32

x=8

20 + 4(x - 2) = x + 21

4x-8=x+21-20

3x=9

x=3