21x+7-7=-7-7

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


Simplifying
21x + 7 + -7 = -7 + -7

Reorder the terms:
7 + -7 + 21x = -7 + -7

Combine like terms: 7 + -7 = 0
0 + 21x = -7 + -7
21x = -7 + -7

Combine like terms: -7 + -7 = -14
21x = -14

Solving
21x = -14

Solving for variable 'x'.

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

Divide each side by '21'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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