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18\left(3-4x\right)-15\left(x-1\right)=30\left(4+x\right)-160
Multiply both sides of the equation by 90, the least common multiple of 5,6,3,9.
54-72x-15\left(x-1\right)=30\left(4+x\right)-160
Use the distributive property to multiply 18 by 3-4x.
54-72x-15x+15=30\left(4+x\right)-160
Use the distributive property to multiply -15 by x-1.
54-87x+15=30\left(4+x\right)-160
Combine -72x and -15x to get -87x.
69-87x=30\left(4+x\right)-160
Add 54 and 15 to get 69.
69-87x=120+30x-160
Use the distributive property to multiply 30 by 4+x.
69-87x=-40+30x
Subtract 160 from 120 to get -40.
69-87x-30x=-40
Subtract 30x from both sides.
69-117x=-40
Combine -87x and -30x to get -117x.
-117x=-40-69
Subtract 69 from both sides.
-117x=-109
Subtract 69 from -40 to get -109.
x=\frac{-109}{-117}
Divide both sides by -117.
x=\frac{109}{117}
Fraction \frac{-109}{-117} can be simplified to \frac{109}{117} by removing the negative sign from both the numerator and the denominator.