9x-2x+5=8x-(20-7x)

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Solution for 9x-2x+5=8x-(20-7x) equation:


Simplifying
9x + -2x + 5 = 8x + -1(20 + -7x)

Reorder the terms:
5 + 9x + -2x = 8x + -1(20 + -7x)

Combine like terms: 9x + -2x = 7x
5 + 7x = 8x + -1(20 + -7x)
5 + 7x = 8x + (20 * -1 + -7x * -1)
5 + 7x = 8x + (-20 + 7x)

Reorder the terms:
5 + 7x = -20 + 8x + 7x

Combine like terms: 8x + 7x = 15x
5 + 7x = -20 + 15x

Solving
5 + 7x = -20 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
5 + 7x + -15x = -20 + 15x + -15x

Combine like terms: 7x + -15x = -8x
5 + -8x = -20 + 15x + -15x

Combine like terms: 15x + -15x = 0
5 + -8x = -20 + 0
5 + -8x = -20

Add '-5' to each side of the equation.
5 + -5 + -8x = -20 + -5

Combine like terms: 5 + -5 = 0
0 + -8x = -20 + -5
-8x = -20 + -5

Combine like terms: -20 + -5 = -25
-8x = -25

Divide each side by '-8'.
x = 3.125

Simplifying
x = 3.125

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