7x+8=8-(9x-7)

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Solution for 7x+8=8-(9x-7) equation:


Simplifying
7x + 8 = 8 + -1(9x + -7)

Reorder the terms:
8 + 7x = 8 + -1(9x + -7)

Reorder the terms:
8 + 7x = 8 + -1(-7 + 9x)
8 + 7x = 8 + (-7 * -1 + 9x * -1)
8 + 7x = 8 + (7 + -9x)

Combine like terms: 8 + 7 = 15
8 + 7x = 15 + -9x

Solving
8 + 7x = 15 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
8 + 7x + 9x = 15 + -9x + 9x

Combine like terms: 7x + 9x = 16x
8 + 16x = 15 + -9x + 9x

Combine like terms: -9x + 9x = 0
8 + 16x = 15 + 0
8 + 16x = 15

Add '-8' to each side of the equation.
8 + -8 + 16x = 15 + -8

Combine like terms: 8 + -8 = 0
0 + 16x = 15 + -8
16x = 15 + -8

Combine like terms: 15 + -8 = 7
16x = 7

Divide each side by '16'.
x = 0.4375

Simplifying
x = 0.4375

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