7r+3(7r+2)=-162

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Solution for 7r+3(7r+2)=-162 equation: 



7r+3(7r+2)=-162

We move all terms to the left:

7r+3(7r+2)-(-162)=0

We add all the numbers together, and all the variables

7r+3(7r+2)+162=0

We multiply parentheses

7r+21r+6+162=0

We add all the numbers together, and all the variables

28r+168=0

We move all terms containing r to the left, all other terms to the right

28r=-168

r=-168/28

r=-6

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