(X-4)-(8x+9)=

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


Simplifying
(X + -4) + -1(8x + 9) = 0

Reorder the terms:
(-4 + X) + -1(8x + 9) = 0

Remove parenthesis around (-4 + X)
-4 + X + -1(8x + 9) = 0

Reorder the terms:
-4 + X + -1(9 + 8x) = 0
-4 + X + (9 * -1 + 8x * -1) = 0
-4 + X + (-9 + -8x) = 0

Reorder the terms:
-4 + -9 + X + -8x = 0

Combine like terms: -4 + -9 = -13
-13 + X + -8x = 0

Solving
-13 + X + -8x = 0

Solving for variable 'X'.

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

Add '13' to each side of the equation.
-13 + X + 13 + -8x = 0 + 13

Reorder the terms:
-13 + 13 + X + -8x = 0 + 13

Combine like terms: -13 + 13 = 0
0 + X + -8x = 0 + 13
X + -8x = 0 + 13

Combine like terms: 0 + 13 = 13
X + -8x = 13

Add '8x' to each side of the equation.
X + -8x + 8x = 13 + 8x

Combine like terms: -8x + 8x = 0
X + 0 = 13 + 8x
X = 13 + 8x

Simplifying
X = 13 + 8x

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