49+7i=7(1+4i)

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Solution for 49+7i=7(1+4i) equation: 



49+7i=7(1+4i)

We move all terms to the left:

49+7i-(7(1+4i))=0

We add all the numbers together, and all the variables

7i-(7(4i+1))+49=0



We calculate terms in parentheses: -(7(4i+1)), so:

7(4i+1)

We multiply parentheses

28i+7

Back to the equation:

-(28i+7)



We get rid of parentheses

7i-28i-7+49=0

We add all the numbers together, and all the variables

-21i+42=0

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

-21i=-42

i=-42/-21

i=+2

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