13-10x=85-31x

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Solution for 13-10x=85-31x equation:


Simplifying
13 + -10x = 85 + -31x

Solving
13 + -10x = 85 + -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.
13 + -10x + 31x = 85 + -31x + 31x

Combine like terms: -10x + 31x = 21x
13 + 21x = 85 + -31x + 31x

Combine like terms: -31x + 31x = 0
13 + 21x = 85 + 0
13 + 21x = 85

Add '-13' to each side of the equation.
13 + -13 + 21x = 85 + -13

Combine like terms: 13 + -13 = 0
0 + 21x = 85 + -13
21x = 85 + -13

Combine like terms: 85 + -13 = 72
21x = 72

Divide each side by '21'.
x = 3.428571429

Simplifying
x = 3.428571429

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