31=8x-4

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Solution for 31=8x-4 equation:


Simplifying
31 = 8x + -4

Reorder the terms:
31 = -4 + 8x

Solving
31 = -4 + 8x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -4 + -31 = -35
-8x = -35

Divide each side by '-8'.
x = 4.375

Simplifying
x = 4.375

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