-7(x-3)=5(x-15)

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Solution for -7(x-3)=5(x-15) equation:


Simplifying
-7(x + -3) = 5(x + -15)

Reorder the terms:
-7(-3 + x) = 5(x + -15)
(-3 * -7 + x * -7) = 5(x + -15)
(21 + -7x) = 5(x + -15)

Reorder the terms:
21 + -7x = 5(-15 + x)
21 + -7x = (-15 * 5 + x * 5)
21 + -7x = (-75 + 5x)

Solving
21 + -7x = -75 + 5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5x' to each side of the equation.
21 + -7x + -5x = -75 + 5x + -5x

Combine like terms: -7x + -5x = -12x
21 + -12x = -75 + 5x + -5x

Combine like terms: 5x + -5x = 0
21 + -12x = -75 + 0
21 + -12x = -75

Add '-21' to each side of the equation.
21 + -21 + -12x = -75 + -21

Combine like terms: 21 + -21 = 0
0 + -12x = -75 + -21
-12x = -75 + -21

Combine like terms: -75 + -21 = -96
-12x = -96

Divide each side by '-12'.
x = 8

Simplifying
x = 8

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