1.25r-7=2.50

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Solution for 1.25r-7=2.50 equation: 


Simplifying
1.25r + -7 = 2.50

Reorder the terms:
-7 + 1.25r = 2.50

Solving
-7 + 1.25r = 2.50

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + 1.25r = 2.50 + 7

Combine like terms: -7 + 7 = 0
0 + 1.25r = 2.50 + 7
1.25r = 2.50 + 7

Combine like terms: 2.50 + 7 = 9.5
1.25r = 9.5

Divide each side by '1.25'.
r = 7.6

Simplifying
r = 7.6

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