10-5r=45

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Solution for 10-5r=45 equation: 


Simplifying
10 + -5r = 45

Solving
10 + -5r = 45

Solving for variable 'r'.

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

Add '-10' to each side of the equation.
10 + -10 + -5r = 45 + -10

Combine like terms: 10 + -10 = 0
0 + -5r = 45 + -10
-5r = 45 + -10

Combine like terms: 45 + -10 = 35
-5r = 35

Divide each side by '-5'.
r = -7

Simplifying
r = -7

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