7x-121=126-6x

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Solution for 7x-121=126-6x equation:


Simplifying
7x + -121 = 126 + -6x

Reorder the terms:
-121 + 7x = 126 + -6x

Solving
-121 + 7x = 126 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-121 + 7x + 6x = 126 + -6x + 6x

Combine like terms: 7x + 6x = 13x
-121 + 13x = 126 + -6x + 6x

Combine like terms: -6x + 6x = 0
-121 + 13x = 126 + 0
-121 + 13x = 126

Add '121' to each side of the equation.
-121 + 121 + 13x = 126 + 121

Combine like terms: -121 + 121 = 0
0 + 13x = 126 + 121
13x = 126 + 121

Combine like terms: 126 + 121 = 247
13x = 247

Divide each side by '13'.
x = 19

Simplifying
x = 19

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