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put this solution on YOUR website!find x :
:
Get rid of the denominators, mult eq by cx
mx - cx(3a) + c(c) = cx(f)
:
mx - 3acx + c^2 = cfx
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GEt all the terms containing x on the left by itself:
mx - 3acx - cfx = -c^2
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Factor out x:
x(m - 3ac - cf) = -c^2
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divide both sides by (m-3ac-cf):
x =
