Question 991480
1) a + 18 = 7a
subtract a from both sides of =
18 = 6a
divide both sides of = by 6
3 = a
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2) 3w + 6 = 4w
subtract 3w from both sides of =
6 = w
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check answers
1) 3 + 18 = 7*3
21 = 21
answer checks
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2) 3*6 + 6 = 4*6
24 = 24
answer checks