3x-5+7+2x=12

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Solution for 3x-5+7+2x=12 equation:


Simplifying
3x + -5 + 7 + 2x = 12

Reorder the terms:
-5 + 7 + 3x + 2x = 12

Combine like terms: -5 + 7 = 2
2 + 3x + 2x = 12

Combine like terms: 3x + 2x = 5x
2 + 5x = 12

Solving
2 + 5x = 12

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 5x = 12 + -2

Combine like terms: 2 + -2 = 0
0 + 5x = 12 + -2
5x = 12 + -2

Combine like terms: 12 + -2 = 10
5x = 10

Divide each side by '5'.
x = 2

Simplifying
x = 2

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