mokerberg
mokerberg
02-12-2016
Mathematics
contestada
5x+12=-7x solve each system by subsitution
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doramacias
doramacias
02-12-2016
on the problem minus 5x to the -7 so you'll just have 12= -12x and the answer is x=-1
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mols
mols
02-12-2016
5x+12=-7x
12x+12=0 (+7x)
12x=-12 (-12)
x=-1 (/12)
y=5x+12
y=5(-1)+12
y=-5+12
y=7
Hope this helps:)
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