briannabrewer123
09.03.2021 •
Mathematics
Solve using elimination x-3y=7 and 2x-6y=12 *
A (0,2)
B (2,0)
C no solution
D infinitely many solutions
Solved
Show answers
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Ответ:
Step-by-step explanation:
(x-3y=7)2
2x-6y=14
- 2x-6y=12
-12y=2
y=-1/6
No solutions
Ответ:
Alright, so let's call the number of cars he buys "x" So we know he gives 5 to his sister, so we have to subtract 5 from the total amount, then we know there is 2 left.
So
X-5=2
X=7
He bought 7 Cars.