(4x-8)+(7x-8)+(9x-8)=56

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Solution for (4x-8)+(7x-8)+(9x-8)=56 equation:


Simplifying
(4x + -8) + (7x + -8) + (9x + -8) = 56

Reorder the terms:
(-8 + 4x) + (7x + -8) + (9x + -8) = 56

Remove parenthesis around (-8 + 4x)
-8 + 4x + (7x + -8) + (9x + -8) = 56

Reorder the terms:
-8 + 4x + (-8 + 7x) + (9x + -8) = 56

Remove parenthesis around (-8 + 7x)
-8 + 4x + -8 + 7x + (9x + -8) = 56

Reorder the terms:
-8 + 4x + -8 + 7x + (-8 + 9x) = 56

Remove parenthesis around (-8 + 9x)
-8 + 4x + -8 + 7x + -8 + 9x = 56

Reorder the terms:
-8 + -8 + -8 + 4x + 7x + 9x = 56

Combine like terms: -8 + -8 = -16
-16 + -8 + 4x + 7x + 9x = 56

Combine like terms: -16 + -8 = -24
-24 + 4x + 7x + 9x = 56

Combine like terms: 4x + 7x = 11x
-24 + 11x + 9x = 56

Combine like terms: 11x + 9x = 20x
-24 + 20x = 56

Solving
-24 + 20x = 56

Solving for variable 'x'.

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

Add '24' to each side of the equation.
-24 + 24 + 20x = 56 + 24

Combine like terms: -24 + 24 = 0
0 + 20x = 56 + 24
20x = 56 + 24

Combine like terms: 56 + 24 = 80
20x = 80

Divide each side by '20'.
x = 4

Simplifying
x = 4

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