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# 5x−8=3x+3 whats the x?

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1455
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5x−8=3x+3 whats the x? But u musn't transfer numbers on the other sides...

Jul 22, 2014

#4
+20

5x−8=3x+3 whats the x?

$$5x-8=3x+3 \quad | \quad-3x\\\\ \underbrace{5x-3x}_{2x}-8 = \underbrace{3x-3x}_{0}+3\\\\ 2x-8=3\quad | \quad +8\\\\ 2x\underbrace{-8+8}_{0} =3+8\\\\ 2x=11\quad | \quad:2\\\\ {\not{2}x\over \not{2}} = {11 \over 2}\\\\ x={11 \over 2}\\\\ x=5.5$$

Jul 22, 2014

#1
+3

but if we dont transfer the numbers then this cant be solved!!! Jul 22, 2014
#2
+5

Technically you do not transer them from one side to the other.

you add or subtract or whatever from BOTH sides.

Maybe this was a trick question Rosala.

Jul 22, 2014
#3
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well u musn't...thats the problem... the equation has to be the same on the both sizes...

Jul 22, 2014
#4
+20

5x−8=3x+3 whats the x?

$$5x-8=3x+3 \quad | \quad-3x\\\\ \underbrace{5x-3x}_{2x}-8 = \underbrace{3x-3x}_{0}+3\\\\ 2x-8=3\quad | \quad +8\\\\ 2x\underbrace{-8+8}_{0} =3+8\\\\ 2x=11\quad | \quad:2\\\\ {\not{2}x\over \not{2}} = {11 \over 2}\\\\ x={11 \over 2}\\\\ x=5.5$$

heureka Jul 22, 2014
#5
0

woow thank you very much :*

Jul 22, 2014
#6
+14

Heureka your a genius!id like to give u a thumbs up for that! Jul 22, 2014
#7
+8

Heureka, I do not think that I have seen you use that before. Another for me to try and remember and make use of.  Thank you.

Jul 22, 2014
#8
+14

x=5.5 see the graph:  Jul 22, 2014
#9
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Thanks Heueka,

It probably was the graphical answer that was desired. I didn't even think of that. Jul 22, 2014
#10
+11

i wonder how genius you are heureka!i wish i was like you! Jul 22, 2014
#11
+4

Thank you Melody,

thank you rosala Jul 22, 2014
#12
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