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Mathematics 16 Online
OpenStudy (anonymous):

can someone help me with solving multi steps?

OpenStudy (anonymous):

sure!

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

post question and I can show you steps on whiteboard

OpenStudy (anonymous):

6x-1=17

OpenStudy (anonymous):

to solve multi-step equations you first undo addition or subtraction first then multiplication or division--order of operation backwards ; )

OpenStudy (anonymous):

so to undo -1 you add one to both sides to keep equation balanced 6x=18

OpenStudy (anonymous):

to undo 6 times x, divide both sides by 6 and get x=3

OpenStudy (anonymous):

oh got it

OpenStudy (anonymous):

sub in 3 for x to check 6(3)-1=17 18-1=17 17=17

OpenStudy (anonymous):

medal please : )

OpenStudy (anonymous):

so is 3 the answer?

OpenStudy (anonymous):

yes x =3

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

how do you do it when it is f/2-7=8

OpenStudy (anonymous):

add 7 then multiply by reciprocal of 1/2 which is 2 1/2 f =15 f=30

OpenStudy (anonymous):

i don see how you got that sorry

OpenStudy (anonymous):

http://www.twiddla.com/536745 go there and I'll show you in a minute

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