-21x-20=21x+8

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Solution for -21x-20=21x+8 equation:


Simplifying
-21x + -20 = 21x + 8

Reorder the terms:
-20 + -21x = 21x + 8

Reorder the terms:
-20 + -21x = 8 + 21x

Solving
-20 + -21x = 8 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-20 + -21x + -21x = 8 + 21x + -21x

Combine like terms: -21x + -21x = -42x
-20 + -42x = 8 + 21x + -21x

Combine like terms: 21x + -21x = 0
-20 + -42x = 8 + 0
-20 + -42x = 8

Add '20' to each side of the equation.
-20 + 20 + -42x = 8 + 20

Combine like terms: -20 + 20 = 0
0 + -42x = 8 + 20
-42x = 8 + 20

Combine like terms: 8 + 20 = 28
-42x = 28

Divide each side by '-42'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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