31=4+3x

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Solution for 31=4+3x equation:


Simplifying
31 = 4 + 3x

Solving
31 = 4 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
31 + -3x = 4 + 3x + -3x

Combine like terms: 3x + -3x = 0
31 + -3x = 4 + 0
31 + -3x = 4

Add '-31' to each side of the equation.
31 + -31 + -3x = 4 + -31

Combine like terms: 31 + -31 = 0
0 + -3x = 4 + -31
-3x = 4 + -31

Combine like terms: 4 + -31 = -27
-3x = -27

Divide each side by '-3'.
x = 9

Simplifying
x = 9

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