3x+31=4x+8

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Solution for 3x+31=4x+8 equation:


Simplifying
3x + 31 = 4x + 8

Reorder the terms:
31 + 3x = 4x + 8

Reorder the terms:
31 + 3x = 8 + 4x

Solving
31 + 3x = 8 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
31 + 3x + -4x = 8 + 4x + -4x

Combine like terms: 3x + -4x = -1x
31 + -1x = 8 + 4x + -4x

Combine like terms: 4x + -4x = 0
31 + -1x = 8 + 0
31 + -1x = 8

Add '-31' to each side of the equation.
31 + -31 + -1x = 8 + -31

Combine like terms: 31 + -31 = 0
0 + -1x = 8 + -31
-1x = 8 + -31

Combine like terms: 8 + -31 = -23
-1x = -23

Divide each side by '-1'.
x = 23

Simplifying
x = 23

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