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Mathematics 21 Online
OpenStudy (anonymous):

What are the missing measures?

OpenStudy (anonymous):

OpenStudy (anonymous):

135 + 120 + 125 + 3x + 130 + 4x = 720 Do u know how to solve it now, to find 'x' ??

OpenStudy (anonymous):

i know 640+7x=720 but i get stumped here

OpenStudy (anonymous):

Ok, first how did u get 640 ?

OpenStudy (anonymous):

135+120+125+130=510 sorry

OpenStudy (anonymous):

Ok good, u found ur mistake. You have to make sure to prevent those as best as possible. So now we r working with 510 + 7x = 720, right??

OpenStudy (anonymous):

so 510+7x=720 then subtract 510 on each side and get 7x=210 then divide 7 on each side and get 30 but what do i do then?

OpenStudy (anonymous):

Good Job!! So after that, your answer would be x = 30 You get it?? ;)

OpenStudy (anonymous):

but that isnt my answer my answers are: 87,116 120,90 125,130 158,210

OpenStudy (anonymous):

Are you sure you put up the right question/picture ??

OpenStudy (anonymous):

I'm pretty sure i know how to copy and paste

OpenStudy (anonymous):

no thank you i dont need help i got it

OpenStudy (anonymous):

thanks for nothing

OpenStudy (anonymous):

Ok?? Sorry that i tried!!

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