13(x+-6)=7x+-9

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Solution for 13(x+-6)=7x+-9 equation:


Simplifying
13(x + -6) = 7x + -9

Reorder the terms:
13(-6 + x) = 7x + -9
(-6 * 13 + x * 13) = 7x + -9
(-78 + 13x) = 7x + -9

Reorder the terms:
-78 + 13x = -9 + 7x

Solving
-78 + 13x = -9 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-78 + 13x + -7x = -9 + 7x + -7x

Combine like terms: 13x + -7x = 6x
-78 + 6x = -9 + 7x + -7x

Combine like terms: 7x + -7x = 0
-78 + 6x = -9 + 0
-78 + 6x = -9

Add '78' to each side of the equation.
-78 + 78 + 6x = -9 + 78

Combine like terms: -78 + 78 = 0
0 + 6x = -9 + 78
6x = -9 + 78

Combine like terms: -9 + 78 = 69
6x = 69

Divide each side by '6'.
x = 11.5

Simplifying
x = 11.5

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