21-5x=13+3x

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


Simplifying
21 + -5x = 13 + 3x

Solving
21 + -5x = 13 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
21 + -5x + -3x = 13 + 3x + -3x

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

Combine like terms: 3x + -3x = 0
21 + -8x = 13 + 0
21 + -8x = 13

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

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

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

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

Simplifying
x = 1

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