french31
07.06.2021 •
Mathematics
URGENT PLS!!
consider the system: 5x+3y = 12 , x-7y=10
using elimination method, what is the value of 38y?
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Ответ:
5x+3y=12
x-7y=10
first you want to make the x the same to 5 since you want to make the x = 0 so you can cancel out the x to find y
5x+3y=12
5x-35y=10
38y = -38
y = -1
to find the x value substitute to any equations it can be the 1st or 2nd
5x+3(-1)=12
x = 3
Ответ:
(2, 3) The 2 is on the x and the 3 is on the y. So go across on the x, stop at 2. The going up (y) stop at the 5. See where the 2 and 5 meet and that will be R.
PLZZZ GIVE ME BRAINLIEST!