21x+99=7-21x

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Solution for 21x+99=7-21x equation:


Simplifying
21x + 99 = 7 + -21x

Reorder the terms:
99 + 21x = 7 + -21x

Solving
99 + 21x = 7 + -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.
99 + 21x + 21x = 7 + -21x + 21x

Combine like terms: 21x + 21x = 42x
99 + 42x = 7 + -21x + 21x

Combine like terms: -21x + 21x = 0
99 + 42x = 7 + 0
99 + 42x = 7

Add '-99' to each side of the equation.
99 + -99 + 42x = 7 + -99

Combine like terms: 99 + -99 = 0
0 + 42x = 7 + -99
42x = 7 + -99

Combine like terms: 7 + -99 = -92
42x = -92

Divide each side by '42'.
x = -2.19047619

Simplifying
x = -2.19047619

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