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Mathematics 18 Online
OpenStudy (anonymous):

(5+j3) +(7-j2)

OpenStudy (anonymous):

try removing the parenthesis. That doesn't change your equation except if the sign before your parenthesis is a negative sign. If that's the case, you will just invert the signs inside the parenthesis where the minus sign was seen before it.

OpenStudy (anonymous):

do you follow?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

just remove the parenthesis

OpenStudy (anonymous):

after doing so, isolate the constants form the terms with variable j

OpenStudy (anonymous):

I got 9+j as answer is it correct

OpenStudy (anonymous):

oh sorry, i didn't notice that the 3 and 2 were exponents

OpenStudy (anonymous):

just remove the parenthesis. After doing so, add similar terms. (just the constant for this given)

OpenStudy (anonymous):

you're finding j here, right?

OpenStudy (anonymous):

so is the answer 9+j correct

OpenStudy (anonymous):

umm no.

OpenStudy (anonymous):

is this all that was given to you? is there no equal signs or what?

OpenStudy (anonymous):

yes what about the answer 12+j

OpenStudy (anonymous):

still, no

OpenStudy (anonymous):

is this a multiple choice question?

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