2(15r+10)=-80

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Solution for 2(15r+10)=-80 equation:


Simplifying
2(15r + 10) = -80

Reorder the terms:
2(10 + 15r) = -80
(10 * 2 + 15r * 2) = -80
(20 + 30r) = -80

Solving
20 + 30r = -80

Solving for variable 'r'.

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

Add '-20' to each side of the equation.
20 + -20 + 30r = -80 + -20

Combine like terms: 20 + -20 = 0
0 + 30r = -80 + -20
30r = -80 + -20

Combine like terms: -80 + -20 = -100
30r = -100

Divide each side by '30'.
r = -3.333333333

Simplifying
r = -3.333333333

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