31+3x=5-(x+5)

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Solution for 31+3x=5-(x+5) equation:


Simplifying
31 + 3x = 5 + -1(x + 5)

Reorder the terms:
31 + 3x = 5 + -1(5 + x)
31 + 3x = 5 + (5 * -1 + x * -1)
31 + 3x = 5 + (-5 + -1x)

Combine like terms: 5 + -5 = 0
31 + 3x = 0 + -1x
31 + 3x = -1x

Solving
31 + 3x = -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
31 + 3x + x = -1x + x

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

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

Add '-31' to each side of the equation.
31 + -31 + 4x = 0 + -31

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

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

Divide each side by '4'.
x = -7.75

Simplifying
x = -7.75

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