Explanation:
soln
9(w-2)= -18
9w-18= -18
then you correct like terms together
9w= -18+18
9w=0
then you divide by 9 both sides
9w/9=0/9
w=0
First multiply
9w - 18 = - 18
9w = - 18 + 18
9w = 0
w = 0 / 9 = 0
w = 0
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