21x-10=11x-100

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Solution for 21x-10=11x-100 equation:


Simplifying
21x + -10 = 11x + -100

Reorder the terms:
-10 + 21x = 11x + -100

Reorder the terms:
-10 + 21x = -100 + 11x

Solving
-10 + 21x = -100 + 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.
-10 + 21x + -11x = -100 + 11x + -11x

Combine like terms: 21x + -11x = 10x
-10 + 10x = -100 + 11x + -11x

Combine like terms: 11x + -11x = 0
-10 + 10x = -100 + 0
-10 + 10x = -100

Add '10' to each side of the equation.
-10 + 10 + 10x = -100 + 10

Combine like terms: -10 + 10 = 0
0 + 10x = -100 + 10
10x = -100 + 10

Combine like terms: -100 + 10 = -90
10x = -90

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

Simplifying
x = -9

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