-5(r+3)=45+5r

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Solution for -5(r+3)=45+5r equation:


Simplifying
-5(r + 3) = 45 + 5r

Reorder the terms:
-5(3 + r) = 45 + 5r
(3 * -5 + r * -5) = 45 + 5r
(-15 + -5r) = 45 + 5r

Solving
-15 + -5r = 45 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-15 + -5r + -5r = 45 + 5r + -5r

Combine like terms: -5r + -5r = -10r
-15 + -10r = 45 + 5r + -5r

Combine like terms: 5r + -5r = 0
-15 + -10r = 45 + 0
-15 + -10r = 45

Add '15' to each side of the equation.
-15 + 15 + -10r = 45 + 15

Combine like terms: -15 + 15 = 0
0 + -10r = 45 + 15
-10r = 45 + 15

Combine like terms: 45 + 15 = 60
-10r = 60

Divide each side by '-10'.
r = -6

Simplifying
r = -6

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