-3x+13=5x+21

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Solution for -3x+13=5x+21 equation:


Simplifying
-3x + 13 = 5x + 21

Reorder the terms:
13 + -3x = 5x + 21

Reorder the terms:
13 + -3x = 21 + 5x

Solving
13 + -3x = 21 + 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.
13 + -3x + -5x = 21 + 5x + -5x

Combine like terms: -3x + -5x = -8x
13 + -8x = 21 + 5x + -5x

Combine like terms: 5x + -5x = 0
13 + -8x = 21 + 0
13 + -8x = 21

Add '-13' to each side of the equation.
13 + -13 + -8x = 21 + -13

Combine like terms: 13 + -13 = 0
0 + -8x = 21 + -13
-8x = 21 + -13

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

Divide each side by '-8'.
x = -1

Simplifying
x = -1

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