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7x+6=4x\times \frac{5}{4}-4\times 6
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 4x, the least common multiple of 4x,4,x.
7x+6=5x-4\times 6
Multiply 4 and \frac{5}{4} to get 5.
7x+6=5x-24
Multiply -4 and 6 to get -24.
7x+6-5x=-24
Subtract 5x from both sides.
2x+6=-24
Combine 7x and -5x to get 2x.
2x=-24-6
Subtract 6 from both sides.
2x=-30
Subtract 6 from -24 to get -30.
x=\frac{-30}{2}
Divide both sides by 2.
x=-15
Divide -30 by 2 to get -15.