r+3.7=4

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Solution for r+3.7=4 equation: 


Simplifying
r + 3.7 = 4

Reorder the terms:
3.7 + r = 4

Solving
3.7 + r = 4

Solving for variable 'r'.

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

Add '-3.7' to each side of the equation.
3.7 + -3.7 + r = 4 + -3.7

Combine like terms: 3.7 + -3.7 = 0.0
0.0 + r = 4 + -3.7
r = 4 + -3.7

Combine like terms: 4 + -3.7 = 0.3
r = 0.3

Simplifying
r = 0.3

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