13x+5=15x+21

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Solution for 13x+5=15x+21 equation:


Simplifying
13x + 5 = 15x + 21

Reorder the terms:
5 + 13x = 15x + 21

Reorder the terms:
5 + 13x = 21 + 15x

Solving
5 + 13x = 21 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
5 + 13x + -15x = 21 + 15x + -15x

Combine like terms: 13x + -15x = -2x
5 + -2x = 21 + 15x + -15x

Combine like terms: 15x + -15x = 0
5 + -2x = 21 + 0
5 + -2x = 21

Add '-5' to each side of the equation.
5 + -5 + -2x = 21 + -5

Combine like terms: 5 + -5 = 0
0 + -2x = 21 + -5
-2x = 21 + -5

Combine like terms: 21 + -5 = 16
-2x = 16

Divide each side by '-2'.
x = -8

Simplifying
x = -8

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