7w + 9 = 3
7w = 3 - 9
7w = -6
w = -6/7
Checking
7w + 9 = 3
7(-6/7) + 9 = 3
-6 + 9 =3
3 = 3
Hannah W.
asked 09/23/20use the variable w for the unknown number
7w + 9 = 3
7w = 3 - 9
7w = -6
w = -6/7
Checking
7w + 9 = 3
7(-6/7) + 9 = 3
-6 + 9 =3
3 = 3
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