r+3.8=7

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Solution for r+3.8=7 equation:


Simplifying
r + 3.8 = 7

Reorder the terms:
3.8 + r = 7

Solving
3.8 + r = 7

Solving for variable 'r'.

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

Add '-3.8' to each side of the equation.
3.8 + -3.8 + r = 7 + -3.8

Combine like terms: 3.8 + -3.8 = 0.0
0.0 + r = 7 + -3.8
r = 7 + -3.8

Combine like terms: 7 + -3.8 = 3.2
r = 3.2

Simplifying
r = 3.2

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