7x+4=8-(5x-5)

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Solution for 7x+4=8-(5x-5) equation:


Simplifying
7x + 4 = 8 + -1(5x + -5)

Reorder the terms:
4 + 7x = 8 + -1(5x + -5)

Reorder the terms:
4 + 7x = 8 + -1(-5 + 5x)
4 + 7x = 8 + (-5 * -1 + 5x * -1)
4 + 7x = 8 + (5 + -5x)

Combine like terms: 8 + 5 = 13
4 + 7x = 13 + -5x

Solving
4 + 7x = 13 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
4 + 7x + 5x = 13 + -5x + 5x

Combine like terms: 7x + 5x = 12x
4 + 12x = 13 + -5x + 5x

Combine like terms: -5x + 5x = 0
4 + 12x = 13 + 0
4 + 12x = 13

Add '-4' to each side of the equation.
4 + -4 + 12x = 13 + -4

Combine like terms: 4 + -4 = 0
0 + 12x = 13 + -4
12x = 13 + -4

Combine like terms: 13 + -4 = 9
12x = 9

Divide each side by '12'.
x = 0.75

Simplifying
x = 0.75

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