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12x-\left(x+2\right)=30x
Multiply both sides of the equation by 12, the least common multiple of 12,2.
12x-x-2=30x
To find the opposite of x+2, find the opposite of each term.
11x-2=30x
Combine 12x and -x to get 11x.
11x-2-30x=0
Subtract 30x from both sides.
-19x-2=0
Combine 11x and -30x to get -19x.
-19x=2
Add 2 to both sides. Anything plus zero gives itself.
x=\frac{2}{-19}
Divide both sides by -19.
x=-\frac{2}{19}
Fraction \frac{2}{-19} can be rewritten as -\frac{2}{19} by extracting the negative sign.