9x-(4x-13)=(-1)(x-18)

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Solution for 9x-(4x-13)=(-1)(x-18) equation:


Simplifying
9x + -1(4x + -13) = (-1)(x + -18)

Reorder the terms:
9x + -1(-13 + 4x) = (-1)(x + -18)
9x + (-13 * -1 + 4x * -1) = (-1)(x + -18)
9x + (13 + -4x) = (-1)(x + -18)

Reorder the terms:
13 + 9x + -4x = (-1)(x + -18)

Combine like terms: 9x + -4x = 5x
13 + 5x = (-1)(x + -18)

Reorder the terms:
13 + 5x = -1(-18 + x)
13 + 5x = (-18 * -1 + x * -1)
13 + 5x = (18 + -1x)

Solving
13 + 5x = 18 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
13 + 5x + x = 18 + -1x + x

Combine like terms: 5x + x = 6x
13 + 6x = 18 + -1x + x

Combine like terms: -1x + x = 0
13 + 6x = 18 + 0
13 + 6x = 18

Add '-13' to each side of the equation.
13 + -13 + 6x = 18 + -13

Combine like terms: 13 + -13 = 0
0 + 6x = 18 + -13
6x = 18 + -13

Combine like terms: 18 + -13 = 5
6x = 5

Divide each side by '6'.
x = 0.8333333333

Simplifying
x = 0.8333333333

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