3x+7+2x=9

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Solution for 3x+7+2x=9 equation: 


Simplifying
3x + 7 + 2x = 9

Reorder the terms:
7 + 3x + 2x = 9

Combine like terms: 3x + 2x = 5x
7 + 5x = 9

Solving
7 + 5x = 9

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 5x = 9 + -7

Combine like terms: 7 + -7 = 0
0 + 5x = 9 + -7
5x = 9 + -7

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

Divide each side by '5'.
x = 0.4

Simplifying
x = 0.4

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