0.25-1.25=0.55-0.35r

Solution for 0.25-1.25=0.55-0.35r equation:

Simplifying
0.25 + -1.25 = 0.55 + -0.35r

Combine like terms: 0.25 + -1.25 = -1
-1 = 0.55 + -0.35r

Solving
-1 = 0.55 + -0.35r

Solving for variable 'r'.

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

Add '0.35r' to each side of the equation.
-1 + 0.35r = 0.55 + -0.35r + 0.35r

Combine like terms: -0.35r + 0.35r = 0.00
-1 + 0.35r = 0.55 + 0.00
-1 + 0.35r = 0.55

Add '1' to each side of the equation.
-1 + 1 + 0.35r = 0.55 + 1

Combine like terms: -1 + 1 = 0
0 + 0.35r = 0.55 + 1
0.35r = 0.55 + 1

Combine like terms: 0.55 + 1 = 1.55
0.35r = 1.55

Divide each side by '0.35'.
r = 4.428571429

Simplifying
r = 4.428571429