21x-2=-8x-72

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Solution for 21x-2=-8x-72 equation:


Simplifying
21x + -2 = -8x + -72

Reorder the terms:
-2 + 21x = -8x + -72

Reorder the terms:
-2 + 21x = -72 + -8x

Solving
-2 + 21x = -72 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-2 + 21x + 8x = -72 + -8x + 8x

Combine like terms: 21x + 8x = 29x
-2 + 29x = -72 + -8x + 8x

Combine like terms: -8x + 8x = 0
-2 + 29x = -72 + 0
-2 + 29x = -72

Add '2' to each side of the equation.
-2 + 2 + 29x = -72 + 2

Combine like terms: -2 + 2 = 0
0 + 29x = -72 + 2
29x = -72 + 2

Combine like terms: -72 + 2 = -70
29x = -70

Divide each side by '29'.
x = -2.413793103

Simplifying
x = -2.413793103

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