Answer:
Svp aidez moi jai pas compris cet exercice
Step-by-step explanation:
The answer would be 3, 2-2+3, I’m pretty sure.
$54 is your answer
You multiply $12.00 by 4 packs of pens and then add $6.00 for the pencils.
3x + 5y = 1 . . . . . . . . (1)
7x + 4y = -13 . . . . . . .(2)
(1) x 7: 21x + 35y = 7 . . (3)
(2) x 3: 21x + 12y = -39 .(4)
(3) - (4) = 23y = 46
y = 46/23 = 2
