a-1=11-7

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Solution for a-1=11-7 equation: 



a-1=11-7

We move all terms to the left:

a-1-(11-7)=0

We add all the numbers together, and all the variables

a-1-4=0

We add all the numbers together, and all the variables

a-5=0

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

a=5

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