2x+12=r

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Solution for 2x+12=r equation: 


Simplifying
2x + 12 = r

Reorder the terms:
12 + 2x = r

Solving
12 + 2x = r

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 = -12 + r

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

Divide each side by '2'.
x = -6 + 0.5r

Simplifying
x = -6 + 0.5r

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