Solve for x
x=3
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0.4x=2-0.8
Subtract 0.8 from both sides.
0.4x=1.2
Subtract 0.8 from 2 to get 1.2.
x=\frac{1.2}{0.4}
Divide both sides by 0.4.
x=\frac{12}{4}
Expand \frac{1.2}{0.4} by multiplying both numerator and the denominator by 10.
x=3
Divide 12 by 4 to get 3.
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