tangieynSmn
tangieynSmn
15-08-2016
Mathematics
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solve for x. 7(3 - x) = 8(4 - 2x)
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apologiabiology
apologiabiology
15-08-2016
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a(b+c)=ab+ac
7(3-x)=8(4-2x)
21-7x=32-16x
add 16x to both sides
21+9x=32
minus 21 from both sides
9x=11
divide both sides by 9
x=11/9
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