7x+31=3x+7

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Solution for 7x+31=3x+7 equation:


Simplifying
7x + 31 = 3x + 7

Reorder the terms:
31 + 7x = 3x + 7

Reorder the terms:
31 + 7x = 7 + 3x

Solving
31 + 7x = 7 + 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 + 7x + -3x = 7 + 3x + -3x

Combine like terms: 7x + -3x = 4x
31 + 4x = 7 + 3x + -3x

Combine like terms: 3x + -3x = 0
31 + 4x = 7 + 0
31 + 4x = 7

Add '-31' to each side of the equation.
31 + -31 + 4x = 7 + -31

Combine like terms: 31 + -31 = 0
0 + 4x = 7 + -31
4x = 7 + -31

Combine like terms: 7 + -31 = -24
4x = -24

Divide each side by '4'.
x = -6

Simplifying
x = -6

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