-7x-21=-147

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Solution for -7x-21=-147 equation: 


Simplifying
-7x + -21 = -147

Reorder the terms:
-21 + -7x = -147

Solving
-21 + -7x = -147

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 + -7x = -147 + 21

Combine like terms: -21 + 21 = 0
0 + -7x = -147 + 21
-7x = -147 + 21

Combine like terms: -147 + 21 = -126
-7x = -126

Divide each side by '-7'.
x = 18

Simplifying
x = 18

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