9x-(8x+7)=4x-13

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Solution for 9x-(8x+7)=4x-13 equation:


Simplifying
9x + -1(8x + 7) = 4x + -13

Reorder the terms:
9x + -1(7 + 8x) = 4x + -13
9x + (7 * -1 + 8x * -1) = 4x + -13
9x + (-7 + -8x) = 4x + -13

Reorder the terms:
-7 + 9x + -8x = 4x + -13

Combine like terms: 9x + -8x = 1x
-7 + 1x = 4x + -13

Reorder the terms:
-7 + 1x = -13 + 4x

Solving
-7 + 1x = -13 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-7 + 1x + -4x = -13 + 4x + -4x

Combine like terms: 1x + -4x = -3x
-7 + -3x = -13 + 4x + -4x

Combine like terms: 4x + -4x = 0
-7 + -3x = -13 + 0
-7 + -3x = -13

Add '7' to each side of the equation.
-7 + 7 + -3x = -13 + 7

Combine like terms: -7 + 7 = 0
0 + -3x = -13 + 7
-3x = -13 + 7

Combine like terms: -13 + 7 = -6
-3x = -6

Divide each side by '-3'.
x = 2

Simplifying
x = 2

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