31-7x=x-1

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Solution for 31-7x=x-1 equation:


Simplifying
31 + -7x = x + -1

Reorder the terms:
31 + -7x = -1 + x

Solving
31 + -7x = -1 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
31 + -7x + -1x = -1 + x + -1x

Combine like terms: -7x + -1x = -8x
31 + -8x = -1 + x + -1x

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

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

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

Combine like terms: -1 + -31 = -32
-8x = -32

Divide each side by '-8'.
x = 4

Simplifying
x = 4

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