5(2r+10)=40

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Solution for 5(2r+10)=40 equation:


Simplifying
5(2r + 10) = 40

Reorder the terms:
5(10 + 2r) = 40
(10 * 5 + 2r * 5) = 40
(50 + 10r) = 40

Solving
50 + 10r = 40

Solving for variable 'r'.

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

Add '-50' to each side of the equation.
50 + -50 + 10r = 40 + -50

Combine like terms: 50 + -50 = 0
0 + 10r = 40 + -50
10r = 40 + -50

Combine like terms: 40 + -50 = -10
10r = -10

Divide each side by '10'.
r = -1

Simplifying
r = -1

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