7r+3r=-20

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Solution for 7r+3r=-20 equation: 


Simplifying
7r + 3r = -20

Combine like terms: 7r + 3r = 10r
10r = -20

Solving
10r = -20

Solving for variable 'r'.

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

Divide each side by '10'.
r = -2

Simplifying
r = -2

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