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1.6x+1.52-0.7x=2.15
Subtract 0.7x from both sides.
0.9x+1.52=2.15
Combine 1.6x and -0.7x to get 0.9x.
0.9x=2.15-1.52
Subtract 1.52 from both sides.
0.9x=0.63
Subtract 1.52 from 2.15 to get 0.63.
x=\frac{0.63}{0.9}
Divide both sides by 0.9.
x=\frac{63}{90}
Expand \frac{0.63}{0.9} by multiplying both numerator and the denominator by 100.
x=\frac{7}{10}
Reduce the fraction \frac{63}{90} to lowest terms by extracting and canceling out 9.