2x+3.38=r

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Solution for 2x+3.38=r equation: 


Simplifying
2x + 3.38 = r

Reorder the terms:
3.38 + 2x = r

Solving
3.38 + 2x = r

Solving for variable 'x'.

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

Add '-3.38' to each side of the equation.
3.38 + -3.38 + 2x = -3.38 + r

Combine like terms: 3.38 + -3.38 = 0.00
0.00 + 2x = -3.38 + r
2x = -3.38 + r

Divide each side by '2'.
x = -1.69 + 0.5r

Simplifying
x = -1.69 + 0.5r

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