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-90x+70=25-12x-2
Combine -48x and -42x to get -90x.
-90x+70=23-12x
Subtract 2 from 25 to get 23.
-90x+70+12x=23
Add 12x to both sides.
-78x+70=23
Combine -90x and 12x to get -78x.
-78x=23-70
Subtract 70 from both sides.
-78x=-47
Subtract 70 from 23 to get -47.
x=\frac{-47}{-78}
Divide both sides by -78.
x=\frac{47}{78}
Fraction \frac{-47}{-78} can be simplified to \frac{47}{78} by removing the negative sign from both the numerator and the denominator.