8x-(2x+9)=8x-31

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Solution for 8x-(2x+9)=8x-31 equation:


Simplifying
8x + -1(2x + 9) = 8x + -31

Reorder the terms:
8x + -1(9 + 2x) = 8x + -31
8x + (9 * -1 + 2x * -1) = 8x + -31
8x + (-9 + -2x) = 8x + -31

Reorder the terms:
-9 + 8x + -2x = 8x + -31

Combine like terms: 8x + -2x = 6x
-9 + 6x = 8x + -31

Reorder the terms:
-9 + 6x = -31 + 8x

Solving
-9 + 6x = -31 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-9 + 6x + -8x = -31 + 8x + -8x

Combine like terms: 6x + -8x = -2x
-9 + -2x = -31 + 8x + -8x

Combine like terms: 8x + -8x = 0
-9 + -2x = -31 + 0
-9 + -2x = -31

Add '9' to each side of the equation.
-9 + 9 + -2x = -31 + 9

Combine like terms: -9 + 9 = 0
0 + -2x = -31 + 9
-2x = -31 + 9

Combine like terms: -31 + 9 = -22
-2x = -22

Divide each side by '-2'.
x = 11

Simplifying
x = 11

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