7x-(8x+9)=2x-39

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Solution for 7x-(8x+9)=2x-39 equation:


Simplifying
7x + -1(8x + 9) = 2x + -39

Reorder the terms:
7x + -1(9 + 8x) = 2x + -39
7x + (9 * -1 + 8x * -1) = 2x + -39
7x + (-9 + -8x) = 2x + -39

Reorder the terms:
-9 + 7x + -8x = 2x + -39

Combine like terms: 7x + -8x = -1x
-9 + -1x = 2x + -39

Reorder the terms:
-9 + -1x = -39 + 2x

Solving
-9 + -1x = -39 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-9 + -1x + -2x = -39 + 2x + -2x

Combine like terms: -1x + -2x = -3x
-9 + -3x = -39 + 2x + -2x

Combine like terms: 2x + -2x = 0
-9 + -3x = -39 + 0
-9 + -3x = -39

Add '9' to each side of the equation.
-9 + 9 + -3x = -39 + 9

Combine like terms: -9 + 9 = 0
0 + -3x = -39 + 9
-3x = -39 + 9

Combine like terms: -39 + 9 = -30
-3x = -30

Divide each side by '-3'.
x = 10

Simplifying
x = 10

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