21x-14=10x-91

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Solution for 21x-14=10x-91 equation:


Simplifying
21x + -14 = 10x + -91

Reorder the terms:
-14 + 21x = 10x + -91

Reorder the terms:
-14 + 21x = -91 + 10x

Solving
-14 + 21x = -91 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-14 + 21x + -10x = -91 + 10x + -10x

Combine like terms: 21x + -10x = 11x
-14 + 11x = -91 + 10x + -10x

Combine like terms: 10x + -10x = 0
-14 + 11x = -91 + 0
-14 + 11x = -91

Add '14' to each side of the equation.
-14 + 14 + 11x = -91 + 14

Combine like terms: -14 + 14 = 0
0 + 11x = -91 + 14
11x = -91 + 14

Combine like terms: -91 + 14 = -77
11x = -77

Divide each side by '11'.
x = -7

Simplifying
x = -7

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