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ASmellyPrawn
ASmellyPrawn ASmellyPrawn
  • 16-11-2014
  • Mathematics
Answered

SIMULTANEOUS EQUATION


x + 2y = 12

3x - 10y = 0


x = ?

y = ?


Thanks

Verified Answer :

domjones287 domjones287
  • 16-11-2014

If you want an explanation just ask
y=1
x=10

Answer Link
pammer10 pammer10
  • 16-11-2014

Step 1) rearrange: x= 12-2y
Step 2) sub x= 12-2y into 3x-10y=0
Step 3) solve
3(12-2y) -10y =0
y=2.25
Step 4) sub y=2.25 into x=12-2y
X=7.5

Answer Link

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