5=x-7+x+8

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Solution for 5=x-7+x+8 equation:


Simplifying
5 = x + -7 + x + 8

Reorder the terms:
5 = -7 + 8 + x + x

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

Combine like terms: x + x = 2x
5 = 1 + 2x

Solving
5 = 1 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
5 + -2x = 1 + 2x + -2x

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

Add '-5' to each side of the equation.
5 + -5 + -2x = 1 + -5

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

Combine like terms: 1 + -5 = -4
-2x = -4

Divide each side by '-2'.
x = 2

Simplifying
x = 2

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