13x+13=9(x-4)-3x

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Solution for 13x+13=9(x-4)-3x equation:


Simplifying
13x + 13 = 9(x + -4) + -3x

Reorder the terms:
13 + 13x = 9(x + -4) + -3x

Reorder the terms:
13 + 13x = 9(-4 + x) + -3x
13 + 13x = (-4 * 9 + x * 9) + -3x
13 + 13x = (-36 + 9x) + -3x

Combine like terms: 9x + -3x = 6x
13 + 13x = -36 + 6x

Solving
13 + 13x = -36 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
13 + 13x + -6x = -36 + 6x + -6x

Combine like terms: 13x + -6x = 7x
13 + 7x = -36 + 6x + -6x

Combine like terms: 6x + -6x = 0
13 + 7x = -36 + 0
13 + 7x = -36

Add '-13' to each side of the equation.
13 + -13 + 7x = -36 + -13

Combine like terms: 13 + -13 = 0
0 + 7x = -36 + -13
7x = -36 + -13

Combine like terms: -36 + -13 = -49
7x = -49

Divide each side by '7'.
x = -7

Simplifying
x = -7

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