21x-13=10x-89

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Solution for 21x-13=10x-89 equation:


Simplifying
21x + -13 = 10x + -89

Reorder the terms:
-13 + 21x = 10x + -89

Reorder the terms:
-13 + 21x = -89 + 10x

Solving
-13 + 21x = -89 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-13 + 21x + -10x = -89 + 10x + -10x

Combine like terms: 21x + -10x = 11x
-13 + 11x = -89 + 10x + -10x

Combine like terms: 10x + -10x = 0
-13 + 11x = -89 + 0
-13 + 11x = -89

Add '13' to each side of the equation.
-13 + 13 + 11x = -89 + 13

Combine like terms: -13 + 13 = 0
0 + 11x = -89 + 13
11x = -89 + 13

Combine like terms: -89 + 13 = -76
11x = -76

Divide each side by '11'.
x = -6.909090909

Simplifying
x = -6.909090909

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