Solve for x
x=-2
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3.5x-4x=1
Subtract 4x from both sides.
-0.5x=1
Combine 3.5x and -4x to get -0.5x.
x=\frac{1}{-0.5}
Divide both sides by -0.5.
x=\frac{10}{-5}
Expand \frac{1}{-0.5} by multiplying both numerator and the denominator by 10.
x=-2
Divide 10 by -5 to get -2.
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