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4\left(2x+1\right)=7\left(3x-5\right)
Multiply both sides of the equation by 28, the least common multiple of 7,4.
8x+4=7\left(3x-5\right)
Use the distributive property to multiply 4 by 2x+1.
8x+4=21x-35
Use the distributive property to multiply 7 by 3x-5.
8x+4-21x=-35
Subtract 21x from both sides.
-13x+4=-35
Combine 8x and -21x to get -13x.
-13x=-35-4
Subtract 4 from both sides.
-13x=-39
Subtract 4 from -35 to get -39.
x=\frac{-39}{-13}
Divide both sides by -13.
x=3
Divide -39 by -13 to get 3.