-(5X+4)-(-4X-9)=13

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Solution for -(5X+4)-(-4X-9)=13 equation:


Simplifying
-1(5X + 4) + -1(-4X + -9) = 13

Reorder the terms:
-1(4 + 5X) + -1(-4X + -9) = 13
(4 * -1 + 5X * -1) + -1(-4X + -9) = 13
(-4 + -5X) + -1(-4X + -9) = 13

Reorder the terms:
-4 + -5X + -1(-9 + -4X) = 13
-4 + -5X + (-9 * -1 + -4X * -1) = 13
-4 + -5X + (9 + 4X) = 13

Reorder the terms:
-4 + 9 + -5X + 4X = 13

Combine like terms: -4 + 9 = 5
5 + -5X + 4X = 13

Combine like terms: -5X + 4X = -1X
5 + -1X = 13

Solving
5 + -1X = 13

Solving for variable 'X'.

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

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

Combine like terms: 5 + -5 = 0
0 + -1X = 13 + -5
-1X = 13 + -5

Combine like terms: 13 + -5 = 8
-1X = 8

Divide each side by '-1'.
X = -8

Simplifying
X = -8

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