-3=-2.5r

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Solution for -3=-2.5r equation:


Simplifying
-3 = -2.5r

Solving
-3 = -2.5r

Solving for variable 'r'.

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

Add '2.5r' to each side of the equation.
-3 + 2.5r = -2.5r + 2.5r

Combine like terms: -2.5r + 2.5r = 0.0
-3 + 2.5r = 0.0

Add '3' to each side of the equation.
-3 + 3 + 2.5r = 0.0 + 3

Combine like terms: -3 + 3 = 0
0 + 2.5r = 0.0 + 3
2.5r = 0.0 + 3

Combine like terms: 0.0 + 3 = 3
2.5r = 3

Divide each side by '2.5'.
r = 1.2

Simplifying
r = 1.2

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