Solve for x
x=180
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0.7x=126
Combine x and -0.3x to get 0.7x.
x=\frac{126}{0.7}
Divide both sides by 0.7.
x=\frac{1260}{7}
Expand \frac{126}{0.7} by multiplying both numerator and the denominator by 10.
x=180
Divide 1260 by 7 to get 180.
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