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Mathematics 18 Online
OpenStudy (anonymous):

HELP ME PLZ

OpenStudy (lgbasallote):

with life?

OpenStudy (anonymous):

\[\frac{ 4 }{ 3 } x +\frac{ 2 }{ 3 } =6\]

OpenStudy (lgbasallote):

multiply ALL terms by 3 to get rid of the denominator...then tell me what you get

OpenStudy (anonymous):

12x + 6 =6

OpenStudy (lgbasallote):

no...

OpenStudy (lgbasallote):

4/3 * 3 = 4

OpenStudy (lgbasallote):

2/3 * 3 = 2

OpenStudy (lgbasallote):

denominators cancel

OpenStudy (lgbasallote):

got it?

OpenStudy (anonymous):

so what dose x=

OpenStudy (anonymous):

4 or 2

OpenStudy (lgbasallote):

multiply all terms by 3...then tell me what you get...

OpenStudy (anonymous):

i did ad u said i was wrong

OpenStudy (lgbasallote):

note: ALL terms

OpenStudy (lgbasallote):

and i said what was the right one..so do it again

OpenStudy (anonymous):

Once you cancel out the denominators, what do you get? 4/3x changed to 4x 2/3 changed to 2

OpenStudy (anonymous):

And what does 6 change into?

OpenStudy (anonymous):

i come up with the same 12x + 6 = 6

OpenStudy (lgbasallote):

how??

OpenStudy (anonymous):

i just moved the =6 down

OpenStudy (lgbasallote):

i said multiply all terms by 3 \[\frac 43 x \times 3 \implies \frac 4{\cancel 3} x \times \cancel 3 \implies 4x\] \[\frac 23 \times 3 \implies \frac2 {\cancel 3} \times \cancel 3 = 2\]

OpenStudy (lgbasallote):

then 6 * 3 is 18

OpenStudy (anonymous):

ok 4 x 3 = 12 and 3 x 2 = 6

OpenStudy (lgbasallote):

no....

OpenStudy (lgbasallote):

you already multiplied by 3..why multiply again?

OpenStudy (lgbasallote):

i just said multiply by 3...and that's already done. you DON'T multiply by 3 AGAIN

OpenStudy (anonymous):

Leave the numerators as they are. You are canceling out the denominators to get rid of a fraction.

OpenStudy (anonymous):

im getting all F ed up right now l

OpenStudy (anonymous):

4/3x + 2/3 = 6 Divide ALL terms by 3. 4/3 is ONE term 2/3 is ONE term. We want to get rid of the fractions: 4/3x *3 = 4x 2/3 *3 = 2 6 * 3 = 18 So: 4x + 2 = 18 Now solve for x.

OpenStudy (anonymous):

Does that help?

OpenStudy (anonymous):

how do i solve for x

OpenStudy (anonymous):

Solve for x: 4x + 2 = 18 -2 4x = 16 /4 x = what do you get?

OpenStudy (anonymous):

4

OpenStudy (anonymous):

yes....d(^_^)b

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