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12x+18-5\left(4x-1\right)=2\left(3x-7\right)+3\left(5x-7\right)
Use the distributive property to multiply 6 by 2x+3.
12x+18-20x+5=2\left(3x-7\right)+3\left(5x-7\right)
Use the distributive property to multiply -5 by 4x-1.
-8x+18+5=2\left(3x-7\right)+3\left(5x-7\right)
Combine 12x and -20x to get -8x.
-8x+23=2\left(3x-7\right)+3\left(5x-7\right)
Add 18 and 5 to get 23.
-8x+23=6x-14+3\left(5x-7\right)
Use the distributive property to multiply 2 by 3x-7.
-8x+23=6x-14+15x-21
Use the distributive property to multiply 3 by 5x-7.
-8x+23=21x-14-21
Combine 6x and 15x to get 21x.
-8x+23=21x-35
Subtract 21 from -14 to get -35.
-8x+23-21x=-35
Subtract 21x from both sides.
-29x+23=-35
Combine -8x and -21x to get -29x.
-29x=-35-23
Subtract 23 from both sides.
-29x=-58
Subtract 23 from -35 to get -58.
x=\frac{-58}{-29}
Divide both sides by -29.
x=2
Divide -58 by -29 to get 2.