9(x+3)-6(x-7)=-3(x-15)

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Solution for 9(x+3)-6(x-7)=-3(x-15) equation:


Simplifying
9(x + 3) + -6(x + -7) = -3(x + -15)

Reorder the terms:
9(3 + x) + -6(x + -7) = -3(x + -15)
(3 * 9 + x * 9) + -6(x + -7) = -3(x + -15)
(27 + 9x) + -6(x + -7) = -3(x + -15)

Reorder the terms:
27 + 9x + -6(-7 + x) = -3(x + -15)
27 + 9x + (-7 * -6 + x * -6) = -3(x + -15)
27 + 9x + (42 + -6x) = -3(x + -15)

Reorder the terms:
27 + 42 + 9x + -6x = -3(x + -15)

Combine like terms: 27 + 42 = 69
69 + 9x + -6x = -3(x + -15)

Combine like terms: 9x + -6x = 3x
69 + 3x = -3(x + -15)

Reorder the terms:
69 + 3x = -3(-15 + x)
69 + 3x = (-15 * -3 + x * -3)
69 + 3x = (45 + -3x)

Solving
69 + 3x = 45 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
69 + 3x + 3x = 45 + -3x + 3x

Combine like terms: 3x + 3x = 6x
69 + 6x = 45 + -3x + 3x

Combine like terms: -3x + 3x = 0
69 + 6x = 45 + 0
69 + 6x = 45

Add '-69' to each side of the equation.
69 + -69 + 6x = 45 + -69

Combine like terms: 69 + -69 = 0
0 + 6x = 45 + -69
6x = 45 + -69

Combine like terms: 45 + -69 = -24
6x = -24

Divide each side by '6'.
x = -4

Simplifying
x = -4

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