7+2(1+8r)=-16

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Solution for 7+2(1+8r)=-16 equation: 



7+2(1+8r)=-16

We move all terms to the left:

7+2(1+8r)-(-16)=0

We add all the numbers together, and all the variables

2(8r+1)+7-(-16)=0

We add all the numbers together, and all the variables

2(8r+1)+23=0

We multiply parentheses

16r+2+23=0

We add all the numbers together, and all the variables

16r+25=0

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

16r=-25

r=-25/16

r=-1+9/16

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