3x+7x-9=(5x+9)

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Solution for 3x+7x-9=(5x+9) equation:


Simplifying
3x + 7x + -9 = (5x + 9)

Reorder the terms:
-9 + 3x + 7x = (5x + 9)

Combine like terms: 3x + 7x = 10x
-9 + 10x = (5x + 9)

Reorder the terms:
-9 + 10x = (9 + 5x)

Remove parenthesis around (9 + 5x)
-9 + 10x = 9 + 5x

Solving
-9 + 10x = 9 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-9 + 10x + -5x = 9 + 5x + -5x

Combine like terms: 10x + -5x = 5x
-9 + 5x = 9 + 5x + -5x

Combine like terms: 5x + -5x = 0
-9 + 5x = 9 + 0
-9 + 5x = 9

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

Combine like terms: -9 + 9 = 0
0 + 5x = 9 + 9
5x = 9 + 9

Combine like terms: 9 + 9 = 18
5x = 18

Divide each side by '5'.
x = 3.6

Simplifying
x = 3.6

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