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6x-18+10-2\left(3x-4\right)
Use the distributive property to multiply 6 by x-3.
6x-8-2\left(3x-4\right)
Add -18 and 10 to get -8.
6x-8-6x+8
Use the distributive property to multiply -2 by 3x-4.
-8+8
Combine 6x and -6x to get 0.
0
Add -8 and 8 to get 0.
2\left(3\left(x-3\right)+5-\left(3x-4\right)\right)
Factor out 2.
0
Simplify.
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