7-8x=13x+15

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Solution for 7-8x=13x+15 equation:


Simplifying
7 + -8x = 13x + 15

Reorder the terms:
7 + -8x = 15 + 13x

Solving
7 + -8x = 15 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
7 + -8x + -13x = 15 + 13x + -13x

Combine like terms: -8x + -13x = -21x
7 + -21x = 15 + 13x + -13x

Combine like terms: 13x + -13x = 0
7 + -21x = 15 + 0
7 + -21x = 15

Add '-7' to each side of the equation.
7 + -7 + -21x = 15 + -7

Combine like terms: 7 + -7 = 0
0 + -21x = 15 + -7
-21x = 15 + -7

Combine like terms: 15 + -7 = 8
-21x = 8

Divide each side by '-21'.
x = -0.380952381

Simplifying
x = -0.380952381

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