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18\left(18x+5\right)+6\left(6x-5\right)-15\left(2x-3\right)=10\left(54x-7\right)
Multiply both sides of the equation by 90, the least common multiple of 5,15,6,9.
324x+90+6\left(6x-5\right)-15\left(2x-3\right)=10\left(54x-7\right)
Use the distributive property to multiply 18 by 18x+5.
324x+90+36x-30-15\left(2x-3\right)=10\left(54x-7\right)
Use the distributive property to multiply 6 by 6x-5.
360x+90-30-15\left(2x-3\right)=10\left(54x-7\right)
Combine 324x and 36x to get 360x.
360x+60-15\left(2x-3\right)=10\left(54x-7\right)
Subtract 30 from 90 to get 60.
360x+60-30x+45=10\left(54x-7\right)
Use the distributive property to multiply -15 by 2x-3.
330x+60+45=10\left(54x-7\right)
Combine 360x and -30x to get 330x.
330x+105=10\left(54x-7\right)
Add 60 and 45 to get 105.
330x+105=540x-70
Use the distributive property to multiply 10 by 54x-7.
330x+105-540x=-70
Subtract 540x from both sides.
-210x+105=-70
Combine 330x and -540x to get -210x.
-210x=-70-105
Subtract 105 from both sides.
-210x=-175
Subtract 105 from -70 to get -175.
x=\frac{-175}{-210}
Divide both sides by -210.
x=\frac{5}{6}
Reduce the fraction \frac{-175}{-210} to lowest terms by extracting and canceling out -35.