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3x-12=2\times 5x+36
Multiply both sides of the equation by 12, the least common multiple of 4,6.
3x-12=10x+36
Multiply 2 and 5 to get 10.
3x-12-10x=36
Subtract 10x from both sides.
-7x-12=36
Combine 3x and -10x to get -7x.
-7x=36+12
Add 12 to both sides.
-7x=48
Add 36 and 12 to get 48.
x=\frac{48}{-7}
Divide both sides by -7.
x=-\frac{48}{7}
Fraction \frac{48}{-7} can be rewritten as -\frac{48}{7} by extracting the negative sign.