9-10X=126-31X

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Solution for 9-10X=126-31X equation:


Simplifying
9 + -10X = 126 + -31X

Solving
9 + -10X = 126 + -31X

Solving for variable 'X'.

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

Add '31X' to each side of the equation.
9 + -10X + 31X = 126 + -31X + 31X

Combine like terms: -10X + 31X = 21X
9 + 21X = 126 + -31X + 31X

Combine like terms: -31X + 31X = 0
9 + 21X = 126 + 0
9 + 21X = 126

Add '-9' to each side of the equation.
9 + -9 + 21X = 126 + -9

Combine like terms: 9 + -9 = 0
0 + 21X = 126 + -9
21X = 126 + -9

Combine like terms: 126 + -9 = 117
21X = 117

Divide each side by '21'.
X = 5.571428571

Simplifying
X = 5.571428571

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