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Clarence Ellison
Mathematics
3 June, 20:11
What is this 5+3 (q-4) = 2 (q+1)
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Helen Arias
3 June, 20:38
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5+3 (q-4) = 2 (q+1)
mutiply the first bracket by 3
(3) (q) = 3q
(3) (-4) = -12
mutiply the second bracket by 2
(2) (q) = 2q
(2) (1) = 2
5+3q-12 = 2q+2
5-12+3q = 2q+2
-7+3q = 2q+2
move 2q to the other side
sign changes from + 2q to - 2q
-7+3q-2q = 2q-2q+2
-7+3q-2q = 2
-7+q = 2
move - 7 to the other side
sign changes from - 7 to + 7
-7+7+q = 2+7
q = 2+7
Answer: q = 9
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3 June, 20:41
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The Answer to that question is "q=9"
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