How do you solve $12 r - 18 = 13 r + 18$ $12r - 18= 13r+18$ ?

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Answer 1 · 2018-03-09T21:49:49

r=-36

$12 r - 18 = 13 r + 18$ $12r-18=13r+18$
(Subtract 12r and 18 from both sides of the equation)
$r = - 36$ $r=-36$

How do you solve 12r−18=13r+1812r - 18= 13r+18?