4r+3.5=12.5

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Solution for 4r+3.5=12.5 equation: 


Simplifying
4r + 3.5 = 12.5

Reorder the terms:
3.5 + 4r = 12.5

Solving
3.5 + 4r = 12.5

Solving for variable 'r'.

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

Add '-3.5' to each side of the equation.
3.5 + -3.5 + 4r = 12.5 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + 4r = 12.5 + -3.5
4r = 12.5 + -3.5

Combine like terms: 12.5 + -3.5 = 9
4r = 9

Divide each side by '4'.
r = 2.25

Simplifying
r = 2.25

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