121+3x=31-5x

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Solution for 121+3x=31-5x equation:


Simplifying
121 + 3x = 31 + -5x

Solving
121 + 3x = 31 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
121 + 3x + 5x = 31 + -5x + 5x

Combine like terms: 3x + 5x = 8x
121 + 8x = 31 + -5x + 5x

Combine like terms: -5x + 5x = 0
121 + 8x = 31 + 0
121 + 8x = 31

Add '-121' to each side of the equation.
121 + -121 + 8x = 31 + -121

Combine like terms: 121 + -121 = 0
0 + 8x = 31 + -121
8x = 31 + -121

Combine like terms: 31 + -121 = -90
8x = -90

Divide each side by '8'.
x = -11.25

Simplifying
x = -11.25

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