5x+(9-4x)=20+8x

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Solution for 5x+(9-4x)=20+8x equation:


Simplifying
5x + (9 + -4x) = 20 + 8x

Remove parenthesis around (9 + -4x)
5x + 9 + -4x = 20 + 8x

Reorder the terms:
9 + 5x + -4x = 20 + 8x

Combine like terms: 5x + -4x = 1x
9 + 1x = 20 + 8x

Solving
9 + 1x = 20 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
9 + 1x + -8x = 20 + 8x + -8x

Combine like terms: 1x + -8x = -7x
9 + -7x = 20 + 8x + -8x

Combine like terms: 8x + -8x = 0
9 + -7x = 20 + 0
9 + -7x = 20

Add '-9' to each side of the equation.
9 + -9 + -7x = 20 + -9

Combine like terms: 9 + -9 = 0
0 + -7x = 20 + -9
-7x = 20 + -9

Combine like terms: 20 + -9 = 11
-7x = 11

Divide each side by '-7'.
x = -1.571428571

Simplifying
x = -1.571428571

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