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Mathematics 16 Online
OpenStudy (anonymous):

Solve. seven point five d equals fifteen d equals two d equals seven point five d equals fifteen d equals twenty-two point five

OpenStudy (help!!!!):

whats 15 divided by 7.5?

OpenStudy (help!!!!):

just isolate x by itself

OpenStudy (help!!!!):

Do you understand? @cowgirl11

OpenStudy (help!!!!):

7.5d=15

OpenStudy (anonymous):

no

OpenStudy (help!!!!):

Do you know how we got to 7.5d=15?

OpenStudy (anonymous):

no

OpenStudy (help!!!!):

well from your written expression we had seven point five d equals fifteen which is change into number form 7.5d=15,

OpenStudy (anonymous):

ya

OpenStudy (help!!!!):

so now after you get your equation, we isolate the d by itself. What can we do to 7.5d to get rid of 7.5?

OpenStudy (anonymous):

um

OpenStudy (anonymous):

i don't know

OpenStudy (help!!!!):

Whats the opposite of multiplication?

OpenStudy (anonymous):

divid

OpenStudy (help!!!!):

yesss so we divide 7.5d on each side

OpenStudy (help!!!!):

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