121-6x=-100+7x

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Solution for 121-6x=-100+7x equation:


Simplifying
121 + -6x = -100 + 7x

Solving
121 + -6x = -100 + 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.
121 + -6x + -7x = -100 + 7x + -7x

Combine like terms: -6x + -7x = -13x
121 + -13x = -100 + 7x + -7x

Combine like terms: 7x + -7x = 0
121 + -13x = -100 + 0
121 + -13x = -100

Add '-121' to each side of the equation.
121 + -121 + -13x = -100 + -121

Combine like terms: 121 + -121 = 0
0 + -13x = -100 + -121
-13x = -100 + -121

Combine like terms: -100 + -121 = -221
-13x = -221

Divide each side by '-13'.
x = 17

Simplifying
x = 17

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