9(x-3)-13=5x+12

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Solution for 9(x-3)-13=5x+12 equation:


Simplifying
9(x + -3) + -13 = 5x + 12

Reorder the terms:
9(-3 + x) + -13 = 5x + 12
(-3 * 9 + x * 9) + -13 = 5x + 12
(-27 + 9x) + -13 = 5x + 12

Reorder the terms:
-27 + -13 + 9x = 5x + 12

Combine like terms: -27 + -13 = -40
-40 + 9x = 5x + 12

Reorder the terms:
-40 + 9x = 12 + 5x

Solving
-40 + 9x = 12 + 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.
-40 + 9x + -5x = 12 + 5x + -5x

Combine like terms: 9x + -5x = 4x
-40 + 4x = 12 + 5x + -5x

Combine like terms: 5x + -5x = 0
-40 + 4x = 12 + 0
-40 + 4x = 12

Add '40' to each side of the equation.
-40 + 40 + 4x = 12 + 40

Combine like terms: -40 + 40 = 0
0 + 4x = 12 + 40
4x = 12 + 40

Combine like terms: 12 + 40 = 52
4x = 52

Divide each side by '4'.
x = 13

Simplifying
x = 13

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