-3x-1=7x-121

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Solution for -3x-1=7x-121 equation:


Simplifying
-3x + -1 = 7x + -121

Reorder the terms:
-1 + -3x = 7x + -121

Reorder the terms:
-1 + -3x = -121 + 7x

Solving
-1 + -3x = -121 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-1 + -3x + -7x = -121 + 7x + -7x

Combine like terms: -3x + -7x = -10x
-1 + -10x = -121 + 7x + -7x

Combine like terms: 7x + -7x = 0
-1 + -10x = -121 + 0
-1 + -10x = -121

Add '1' to each side of the equation.
-1 + 1 + -10x = -121 + 1

Combine like terms: -1 + 1 = 0
0 + -10x = -121 + 1
-10x = -121 + 1

Combine like terms: -121 + 1 = -120
-10x = -120

Divide each side by '-10'.
x = 12

Simplifying
x = 12

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