Asked by Keith
a – 6 = 2b
a + b = 15
a + b = 15
Answers
Answered by
Steve
rearrange things a bit to get
a - 2b = 6
a + b = 15
now subtract top from bottom to get
3b = 9
b = 3
so, a = 12
a - 2b = 6
a + b = 15
now subtract top from bottom to get
3b = 9
b = 3
so, a = 12
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