Solve for x
x=\frac{12}{23}\approx 0.52173913
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4x-12=-19x
Combine 9x and -28x to get -19x.
4x-12+19x=0
Add 19x to both sides.
23x-12=0
Combine 4x and 19x to get 23x.
23x=12
Add 12 to both sides. Anything plus zero gives itself.
x=\frac{12}{23}
Divide both sides by 23.
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