-10x-21=4x-91

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Solution for -10x-21=4x-91 equation:


Simplifying
-10x + -21 = 4x + -91

Reorder the terms:
-21 + -10x = 4x + -91

Reorder the terms:
-21 + -10x = -91 + 4x

Solving
-21 + -10x = -91 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-21 + -10x + -4x = -91 + 4x + -4x

Combine like terms: -10x + -4x = -14x
-21 + -14x = -91 + 4x + -4x

Combine like terms: 4x + -4x = 0
-21 + -14x = -91 + 0
-21 + -14x = -91

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

Combine like terms: -21 + 21 = 0
0 + -14x = -91 + 21
-14x = -91 + 21

Combine like terms: -91 + 21 = -70
-14x = -70

Divide each side by '-14'.
x = 5

Simplifying
x = 5

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