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x=\left(x-3\right)\times 3-\left(x-3\right)\left(-5\right)
Variable x cannot be equal to 3 since division by zero is not defined. Multiply both sides of the equation by x-3.
x=3x-9-\left(x-3\right)\left(-5\right)
Use the distributive property to multiply x-3 by 3.
x=3x-9-\left(-5x+15\right)
Use the distributive property to multiply x-3 by -5.
x=3x-9+5x-15
To find the opposite of -5x+15, find the opposite of each term.
x=8x-9-15
Combine 3x and 5x to get 8x.
x=8x-24
Subtract 15 from -9 to get -24.
x-8x=-24
Subtract 8x from both sides.
-7x=-24
Combine x and -8x to get -7x.
x=\frac{-24}{-7}
Divide both sides by -7.
x=\frac{24}{7}
Fraction \frac{-24}{-7} can be simplified to \frac{24}{7} by removing the negative sign from both the numerator and the denominator.