9x-(x-2)=x+20

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


Simplifying
9x + -1(x + -2) = x + 20

Reorder the terms:
9x + -1(-2 + x) = x + 20
9x + (-2 * -1 + x * -1) = x + 20
9x + (2 + -1x) = x + 20

Reorder the terms:
2 + 9x + -1x = x + 20

Combine like terms: 9x + -1x = 8x
2 + 8x = x + 20

Reorder the terms:
2 + 8x = 20 + x

Solving
2 + 8x = 20 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
2 + 8x + -1x = 20 + x + -1x

Combine like terms: 8x + -1x = 7x
2 + 7x = 20 + x + -1x

Combine like terms: x + -1x = 0
2 + 7x = 20 + 0
2 + 7x = 20

Add '-2' to each side of the equation.
2 + -2 + 7x = 20 + -2

Combine like terms: 2 + -2 = 0
0 + 7x = 20 + -2
7x = 20 + -2

Combine like terms: 20 + -2 = 18
7x = 18

Divide each side by '7'.
x = 2.571428571

Simplifying
x = 2.571428571

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