4r+5=45

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Solution for 4r+5=45 equation: 


Simplifying
4r + 5 = 45

Reorder the terms:
5 + 4r = 45

Solving
5 + 4r = 45

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + 4r = 45 + -5

Combine like terms: 5 + -5 = 0
0 + 4r = 45 + -5
4r = 45 + -5

Combine like terms: 45 + -5 = 40
4r = 40

Divide each side by '4'.
r = 10

Simplifying
r = 10

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