5(5R-9)=55

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Solution for 5(5R-9)=55 equation:


Simplifying
5(5R + -9) = 55

Reorder the terms:
5(-9 + 5R) = 55
(-9 * 5 + 5R * 5) = 55
(-45 + 25R) = 55

Solving
-45 + 25R = 55

Solving for variable 'R'.

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

Add '45' to each side of the equation.
-45 + 45 + 25R = 55 + 45

Combine like terms: -45 + 45 = 0
0 + 25R = 55 + 45
25R = 55 + 45

Combine like terms: 55 + 45 = 100
25R = 100

Divide each side by '25'.
R = 4

Simplifying
R = 4

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