8-9x=131-30x

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Solution for 8-9x=131-30x equation: 


Simplifying
8 + -9x = 131 + -30x

Solving
8 + -9x = 131 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
8 + -9x + 30x = 131 + -30x + 30x

Combine like terms: -9x + 30x = 21x
8 + 21x = 131 + -30x + 30x

Combine like terms: -30x + 30x = 0
8 + 21x = 131 + 0
8 + 21x = 131

Add '-8' to each side of the equation.
8 + -8 + 21x = 131 + -8

Combine like terms: 8 + -8 = 0
0 + 21x = 131 + -8
21x = 131 + -8

Combine like terms: 131 + -8 = 123
21x = 123

Divide each side by '21'.
x = 5.857142857

Simplifying
x = 5.857142857

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