45-7a=3

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Solution for 45-7a=3 equation: 



45-7a=3

We move all terms to the left:

45-7a-(3)=0

We add all the numbers together, and all the variables

-7a+42=0

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

-7a=-42

a=-42/-7

a=+6

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