2x+9+3=7

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


Simplifying
2x + 9 + 3 = 7

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

Combine like terms: 9 + 3 = 12
12 + 2x = 7

Solving
12 + 2x = 7

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 2x = 7 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = 7 + -12
2x = 7 + -12

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

Divide each side by '2'.
x = -2.5

Simplifying
x = -2.5

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