31-(x+7)=8x-3

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Solution for 31-(x+7)=8x-3 equation:


Simplifying
31 + -1(x + 7) = 8x + -3

Reorder the terms:
31 + -1(7 + x) = 8x + -3
31 + (7 * -1 + x * -1) = 8x + -3
31 + (-7 + -1x) = 8x + -3

Combine like terms: 31 + -7 = 24
24 + -1x = 8x + -3

Reorder the terms:
24 + -1x = -3 + 8x

Solving
24 + -1x = -3 + 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.
24 + -1x + -8x = -3 + 8x + -8x

Combine like terms: -1x + -8x = -9x
24 + -9x = -3 + 8x + -8x

Combine like terms: 8x + -8x = 0
24 + -9x = -3 + 0
24 + -9x = -3

Add '-24' to each side of the equation.
24 + -24 + -9x = -3 + -24

Combine like terms: 24 + -24 = 0
0 + -9x = -3 + -24
-9x = -3 + -24

Combine like terms: -3 + -24 = -27
-9x = -27

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

Simplifying
x = 3

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