5+7x=3-(1+x)

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Solution for 5+7x=3-(1+x) equation:


Simplifying
5 + 7x = 3 + -1(1 + x)
5 + 7x = 3 + (1 * -1 + x * -1)
5 + 7x = 3 + (-1 + -1x)

Combine like terms: 3 + -1 = 2
5 + 7x = 2 + -1x

Solving
5 + 7x = 2 + -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.
5 + 7x + x = 2 + -1x + x

Combine like terms: 7x + x = 8x
5 + 8x = 2 + -1x + x

Combine like terms: -1x + x = 0
5 + 8x = 2 + 0
5 + 8x = 2

Add '-5' to each side of the equation.
5 + -5 + 8x = 2 + -5

Combine like terms: 5 + -5 = 0
0 + 8x = 2 + -5
8x = 2 + -5

Combine like terms: 2 + -5 = -3
8x = -3

Divide each side by '8'.
x = -0.375

Simplifying
x = -0.375

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