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2\left(2x-4\right)=18-3\left(4+x\right)
Multiply both sides of the equation by 6, the least common multiple of 3,2.
4x-8=18-3\left(4+x\right)
Use the distributive property to multiply 2 by 2x-4.
4x-8=18-12-3x
Use the distributive property to multiply -3 by 4+x.
4x-8=6-3x
Subtract 12 from 18 to get 6.
4x-8+3x=6
Add 3x to both sides.
7x-8=6
Combine 4x and 3x to get 7x.
7x=6+8
Add 8 to both sides.
7x=14
Add 6 and 8 to get 14.
x=\frac{14}{7}
Divide both sides by 7.
x=2
Divide 14 by 7 to get 2.