r+9.1=7.5

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Solution for r+9.1=7.5 equation: 


Simplifying
r + 9.1 = 7.5

Reorder the terms:
9.1 + r = 7.5

Solving
9.1 + r = 7.5

Solving for variable 'r'.

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

Add '-9.1' to each side of the equation.
9.1 + -9.1 + r = 7.5 + -9.1

Combine like terms: 9.1 + -9.1 = 0.0
0.0 + r = 7.5 + -9.1
r = 7.5 + -9.1

Combine like terms: 7.5 + -9.1 = -1.6
r = -1.6

Simplifying
r = -1.6

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