8x=21-13x

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Solution for 8x=21-13x equation: 


Simplifying
8x = 21 + -13x

Solving
8x = 21 + -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.
8x + 13x = 21 + -13x + 13x

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

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

Divide each side by '21'.
x = 1

Simplifying
x = 1

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