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Mathematics 17 Online
lovetearia:

What is the value of x? https://dlap.gradpoint.com/Resz/~0.aM1TW9lcOWIe32PB.M5Q2QOFSvtFNAZd2qvhafqh0w_BCZd7uGeozGaTW__E/7234256,109/Assets/questions/quiz/geometry/geomid/geomid-d-17.png 12 28 36 32

jhonyy9:

|dw:1559335502075:dw| use the proportionalitie of corresponding sides so sign II = a a/2a = 16/(x+4) and solve this equation for x hope helped

lovetearia:

is 12 the answer

jhonyy9:

i think no

lovetearia:

oh

jhonyy9:

a/2a = 16/(x+4) simplifie the left side by a what you get

lovetearia:

im lost

lovetearia:

jhonyy

jhonyy9:

\[\frac{ a }{ 2a } = \frac{ 16 }{ x+4 }\]

jhonyy9:

what can you simplifie on the left side ?

lovetearia:

idk

lovetearia:

ax+4a

jhonyy9:

there is an ,,a" in numerator and in denominator too - so what can you make with them ?

lovetearia:

idk

jhonyy9:

simplifie and will get in the left side 1/2 so solve please now this equation for x

jhonyy9:

\[\frac{ 1 }{ 2 }=\frac{ 16 }{ x+4 }\] common denominator ?

jhonyy9:

or one more easy way than cross multiplie - so what will get ?

lovetearia:

1x+4=32

jhonyy9:

yes x+4 = 32 and from this x = ?

lovetearia:

28

jhonyy9:

perfectly

jhonyy9:

do you understand it now the way ?

jhonyy9:

questions ? than no so was my pleasure bye bye

lovetearia:

wait i got more

jhonyy9:

ok please post them in the open question column and tag m e please there

lovetearia:

how do i tag u

jhonyy9:

@jhonyy9 so

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