Solve for x
x=-1
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1.6x-2.6-4.2x=0
Subtract 4.2x from both sides.
-2.6x-2.6=0
Combine 1.6x and -4.2x to get -2.6x.
-2.6x=2.6
Add 2.6 to both sides. Anything plus zero gives itself.
x=\frac{2.6}{-2.6}
Divide both sides by -2.6.
x=-1
Divide 2.6 by -2.6 to get -1.
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