1.25=0.75-r

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Solution for 1.25=0.75-r equation: 


Simplifying
1.25 = 0.75 + -1r

Solving
1.25 = 0.75 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
1.25 + r = 0.75 + -1r + r

Combine like terms: -1r + r = 0
1.25 + r = 0.75 + 0
1.25 + r = 0.75

Add '-1.25' to each side of the equation.
1.25 + -1.25 + r = 0.75 + -1.25

Combine like terms: 1.25 + -1.25 = 0.00
0.00 + r = 0.75 + -1.25
r = 0.75 + -1.25

Combine like terms: 0.75 + -1.25 = -0.5
r = -0.5

Simplifying
r = -0.5

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