7x-(2x+7)=9x-15

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Solution for 7x-(2x+7)=9x-15 equation:


Simplifying
7x + -1(2x + 7) = 9x + -15

Reorder the terms:
7x + -1(7 + 2x) = 9x + -15
7x + (7 * -1 + 2x * -1) = 9x + -15
7x + (-7 + -2x) = 9x + -15

Reorder the terms:
-7 + 7x + -2x = 9x + -15

Combine like terms: 7x + -2x = 5x
-7 + 5x = 9x + -15

Reorder the terms:
-7 + 5x = -15 + 9x

Solving
-7 + 5x = -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.
-7 + 5x + -9x = -15 + 9x + -9x

Combine like terms: 5x + -9x = -4x
-7 + -4x = -15 + 9x + -9x

Combine like terms: 9x + -9x = 0
-7 + -4x = -15 + 0
-7 + -4x = -15

Add '7' to each side of the equation.
-7 + 7 + -4x = -15 + 7

Combine like terms: -7 + 7 = 0
0 + -4x = -15 + 7
-4x = -15 + 7

Combine like terms: -15 + 7 = -8
-4x = -8

Divide each side by '-4'.
x = 2

Simplifying
x = 2

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