31-3x=10

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Solution for 31-3x=10 equation: 


Simplifying
31 + -3x = 10

Solving
31 + -3x = 10

Solving for variable 'x'.

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

Add '-31' to each side of the equation.
31 + -31 + -3x = 10 + -31

Combine like terms: 31 + -31 = 0
0 + -3x = 10 + -31
-3x = 10 + -31

Combine like terms: 10 + -31 = -21
-3x = -21

Divide each side by '-3'.
x = 7

Simplifying
x = 7

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