2x+3-4=12

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Solution for 2x+3-4=12 equation: 


Simplifying
2x + 3 + -4 = 12

Reorder the terms:
3 + -4 + 2x = 12

Combine like terms: 3 + -4 = -1
-1 + 2x = 12

Solving
-1 + 2x = 12

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 2x = 12 + 1

Combine like terms: -1 + 1 = 0
0 + 2x = 12 + 1
2x = 12 + 1

Combine like terms: 12 + 1 = 13
2x = 13

Divide each side by '2'.
x = 6.5

Simplifying
x = 6.5

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