-21x+(-21)=

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Solution for -21x+(-21)= equation: 


Simplifying
-21x + (-21) = 0
-21x + -21 = 0

Reorder the terms:
-21 + -21x = 0

Solving
-21 + -21x = 0

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 + -21x = 0 + 21

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

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

Divide each side by '-21'.
x = -1

Simplifying
x = -1

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