How do you solve $21 + m = 8 m - 3 ( 3 m - 3 )$ ?

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Answer 1 · 2018-05-04T08:19:29

By arranging the equation

$21 + m = 8m - 3(3m-3)$

First get rid of the paranthesis:

$21 + m = 8m -9m + 9$

Now collect terms including m on the lest hand side and numbers on the other:

$m - 8 m + 9 m = 9 - 21$

$2 m = -12$

$m = -12/2 = -6$

Your answer is $m = -6$

How do you solve 21 + m = 8 m - 3 ( 3 m - 3 )21 + m = 8 m - 3 ( 3 m - 3 )?