13(x+-6)=7x+-15

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Solution for 13(x+-6)=7x+-15 equation:


Simplifying
13(x + -6) = 7x + -15

Reorder the terms:
13(-6 + x) = 7x + -15
(-6 * 13 + x * 13) = 7x + -15
(-78 + 13x) = 7x + -15

Reorder the terms:
-78 + 13x = -15 + 7x

Solving
-78 + 13x = -15 + 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 = -15 + 7x + -7x

Combine like terms: 13x + -7x = 6x
-78 + 6x = -15 + 7x + -7x

Combine like terms: 7x + -7x = 0
-78 + 6x = -15 + 0
-78 + 6x = -15

Add '78' to each side of the equation.
-78 + 78 + 6x = -15 + 78

Combine like terms: -78 + 78 = 0
0 + 6x = -15 + 78
6x = -15 + 78

Combine like terms: -15 + 78 = 63
6x = 63

Divide each side by '6'.
x = 10.5

Simplifying
x = 10.5

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