r+2.9=3.5

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Solution for r+2.9=3.5 equation: 


Simplifying
r + 2.9 = 3.5

Reorder the terms:
2.9 + r = 3.5

Solving
2.9 + r = 3.5

Solving for variable 'r'.

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

Add '-2.9' to each side of the equation.
2.9 + -2.9 + r = 3.5 + -2.9

Combine like terms: 2.9 + -2.9 = 0.0
0.0 + r = 3.5 + -2.9
r = 3.5 + -2.9

Combine like terms: 3.5 + -2.9 = 0.6
r = 0.6

Simplifying
r = 0.6

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