-66=4+7a

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Solution for -66=4+7a equation:



-66=4+7a
We move all terms to the left:
-66-(4+7a)=0
We add all the numbers together, and all the variables
-(7a+4)-66=0
We get rid of parentheses
-7a-4-66=0
We add all the numbers together, and all the variables
-7a-70=0
We move all terms containing a to the left, all other terms to the right
-7a=70
a=70/-7
a=-10

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