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x+3-\left(x-6\right)\times 3=\left(x+3\right)\times 5
Variable x cannot be equal to any of the values -3,6 since division by zero is not defined. Multiply both sides of the equation by \left(x-6\right)\left(x+3\right), the least common multiple of x-6,x+3.
x+3-\left(3x-18\right)=\left(x+3\right)\times 5
Use the distributive property to multiply x-6 by 3.
x+3-3x+18=\left(x+3\right)\times 5
To find the opposite of 3x-18, find the opposite of each term.
-2x+3+18=\left(x+3\right)\times 5
Combine x and -3x to get -2x.
-2x+21=\left(x+3\right)\times 5
Add 3 and 18 to get 21.
-2x+21=5x+15
Use the distributive property to multiply x+3 by 5.
-2x+21-5x=15
Subtract 5x from both sides.
-7x+21=15
Combine -2x and -5x to get -7x.
-7x=15-21
Subtract 21 from both sides.
-7x=-6
Subtract 21 from 15 to get -6.
x=\frac{-6}{-7}
Divide both sides by -7.
x=\frac{6}{7}
Fraction \frac{-6}{-7} can be simplified to \frac{6}{7} by removing the negative sign from both the numerator and the denominator.