21x+212=11x+122

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Solution for 21x+212=11x+122 equation:


Simplifying
21x + 212 = 11x + 122

Reorder the terms:
212 + 21x = 11x + 122

Reorder the terms:
212 + 21x = 122 + 11x

Solving
212 + 21x = 122 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
212 + 21x + -11x = 122 + 11x + -11x

Combine like terms: 21x + -11x = 10x
212 + 10x = 122 + 11x + -11x

Combine like terms: 11x + -11x = 0
212 + 10x = 122 + 0
212 + 10x = 122

Add '-212' to each side of the equation.
212 + -212 + 10x = 122 + -212

Combine like terms: 212 + -212 = 0
0 + 10x = 122 + -212
10x = 122 + -212

Combine like terms: 122 + -212 = -90
10x = -90

Divide each side by '10'.
x = -9

Simplifying
x = -9

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