How do you solve #4(1 - 2j) = 7(2j + 10)#?

Question

How do you solve #4(1 - 2j) = 7(2j + 10)#?

1 Answer

Impact of this question

2217 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-06-07T09:22:21

We are going to expand :

#4-8j=14j+70#
#4-70-8j=14j# ( we substract #70# on each side )
#-66-8j=14j#
#-66=14j+8j# ( we add #8j# on each side )
#-66=22j#
#(-66)/22=j# ( we divide by #22# on each side )
#j=-3#

Science

Math

Humanities

... and beyond

How do you solve #4(1 - 2j) = 7(2j + 10)#?

1 Answer

Related questions

Impact of this question