-(5-r)=225

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Solution for -(5-r)=225 equation: 


Simplifying
-1(5 + -1r) = 225
(5 * -1 + -1r * -1) = 225
(-5 + 1r) = 225

Solving
-5 + 1r = 225

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 + 1r = 225 + 5

Combine like terms: -5 + 5 = 0
0 + 1r = 225 + 5
1r = 225 + 5

Combine like terms: 225 + 5 = 230
1r = 230

Divide each side by '1'.
r = 230

Simplifying
r = 230

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