-13x-7x=10x+21

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Solution for -13x-7x=10x+21 equation:


Simplifying
-13x + -7x = 10x + 21

Combine like terms: -13x + -7x = -20x
-20x = 10x + 21

Reorder the terms:
-20x = 21 + 10x

Solving
-20x = 21 + 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.
-20x + -10x = 21 + 10x + -10x

Combine like terms: -20x + -10x = -30x
-30x = 21 + 10x + -10x

Combine like terms: 10x + -10x = 0
-30x = 21 + 0
-30x = 21

Divide each side by '-30'.
x = -0.7

Simplifying
x = -0.7

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