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3\left(3x+5\right)-2\left(4x-5\right)=7x+1-30
Multiply both sides of the equation by 6, the least common multiple of 2,3,6.
9x+15-2\left(4x-5\right)=7x+1-30
Use the distributive property to multiply 3 by 3x+5.
9x+15-8x+10=7x+1-30
Use the distributive property to multiply -2 by 4x-5.
x+15+10=7x+1-30
Combine 9x and -8x to get x.
x+25=7x+1-30
Add 15 and 10 to get 25.
x+25=7x-29
Subtract 30 from 1 to get -29.
x+25-7x=-29
Subtract 7x from both sides.
-6x+25=-29
Combine x and -7x to get -6x.
-6x=-29-25
Subtract 25 from both sides.
-6x=-54
Subtract 25 from -29 to get -54.
x=\frac{-54}{-6}
Divide both sides by -6.
x=9
Divide -54 by -6 to get 9.