7(1-3n)+4(1+8n)=-55

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Solution for 7(1-3n)+4(1+8n)=-55 equation:



7(1-3n)+4(1+8n)=-55
We move all terms to the left:
7(1-3n)+4(1+8n)-(-55)=0
We add all the numbers together, and all the variables
7(-3n+1)+4(8n+1)-(-55)=0
We add all the numbers together, and all the variables
7(-3n+1)+4(8n+1)+55=0
We multiply parentheses
-21n+32n+7+4+55=0
We add all the numbers together, and all the variables
11n+66=0
We move all terms containing n to the left, all other terms to the right
11n=-66
n=-66/11
n=-6

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