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6\times 2x-432-27\times 3x=-9\times 5x-2\times 8x
Multiply both sides of the equation by 54, the least common multiple of 9,2,6,27.
12x-432-27\times 3x=-9\times 5x-2\times 8x
Multiply 6 and 2 to get 12.
12x-432-81x=-9\times 5x-2\times 8x
Multiply -27 and 3 to get -81.
-69x-432=-9\times 5x-2\times 8x
Combine 12x and -81x to get -69x.
-69x-432=-45x-16x
Multiply -9 and 5 to get -45. Multiply -2 and 8 to get -16.
-69x-432=-61x
Combine -45x and -16x to get -61x.
-69x-432+61x=0
Add 61x to both sides.
-8x-432=0
Combine -69x and 61x to get -8x.
-8x=432
Add 432 to both sides. Anything plus zero gives itself.
x=\frac{432}{-8}
Divide both sides by -8.
x=-54
Divide 432 by -8 to get -54.