5x+4x-20=(2x+5)

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Solution for 5x+4x-20=(2x+5) equation:


Simplifying
5x + 4x + -20 = (2x + 5)

Reorder the terms:
-20 + 5x + 4x = (2x + 5)

Combine like terms: 5x + 4x = 9x
-20 + 9x = (2x + 5)

Reorder the terms:
-20 + 9x = (5 + 2x)

Remove parenthesis around (5 + 2x)
-20 + 9x = 5 + 2x

Solving
-20 + 9x = 5 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-20 + 9x + -2x = 5 + 2x + -2x

Combine like terms: 9x + -2x = 7x
-20 + 7x = 5 + 2x + -2x

Combine like terms: 2x + -2x = 0
-20 + 7x = 5 + 0
-20 + 7x = 5

Add '20' to each side of the equation.
-20 + 20 + 7x = 5 + 20

Combine like terms: -20 + 20 = 0
0 + 7x = 5 + 20
7x = 5 + 20

Combine like terms: 5 + 20 = 25
7x = 25

Divide each side by '7'.
x = 3.571428571

Simplifying
x = 3.571428571

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