(2x-9)-(4x+8)=

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Solution for (2x-9)-(4x+8)= equation:


Simplifying
(2x + -9) + -1(4x + 8) = 0

Reorder the terms:
(-9 + 2x) + -1(4x + 8) = 0

Remove parenthesis around (-9 + 2x)
-9 + 2x + -1(4x + 8) = 0

Reorder the terms:
-9 + 2x + -1(8 + 4x) = 0
-9 + 2x + (8 * -1 + 4x * -1) = 0
-9 + 2x + (-8 + -4x) = 0

Reorder the terms:
-9 + -8 + 2x + -4x = 0

Combine like terms: -9 + -8 = -17
-17 + 2x + -4x = 0

Combine like terms: 2x + -4x = -2x
-17 + -2x = 0

Solving
-17 + -2x = 0

Solving for variable 'x'.

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

Add '17' to each side of the equation.
-17 + 17 + -2x = 0 + 17

Combine like terms: -17 + 17 = 0
0 + -2x = 0 + 17
-2x = 0 + 17

Combine like terms: 0 + 17 = 17
-2x = 17

Divide each side by '-2'.
x = -8.5

Simplifying
x = -8.5

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