-5x-21=121

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Solution for -5x-21=121 equation: 


Simplifying
-5x + -21 = 121

Reorder the terms:
-21 + -5x = 121

Solving
-21 + -5x = 121

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -5x = 121 + 21

Combine like terms: -21 + 21 = 0
0 + -5x = 121 + 21
-5x = 121 + 21

Combine like terms: 121 + 21 = 142
-5x = 142

Divide each side by '-5'.
x = -28.4

Simplifying
x = -28.4

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