r-2.2=-7.4

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Solution for r-2.2=-7.4 equation: 


Simplifying
r + -2.2 = -7.4

Reorder the terms:
-2.2 + r = -7.4

Solving
-2.2 + r = -7.4

Solving for variable 'r'.

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

Add '2.2' to each side of the equation.
-2.2 + 2.2 + r = -7.4 + 2.2

Combine like terms: -2.2 + 2.2 = 0.0
0.0 + r = -7.4 + 2.2
r = -7.4 + 2.2

Combine like terms: -7.4 + 2.2 = -5.2
r = -5.2

Simplifying
r = -5.2

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