Answer:
x=-6
Step-by-step explanation:
2x+y=-4
5x+3y=-6
solve :
multiply first equation by 3
6x+3y=-12
5x+3y=-6
subtract the two equations : 6x+3y-5x-3y=-12-(-6)
x=-12+6
x=-6
I think the answer is 8. not completely sure tho
Answer:
sorry not having idea about ans
I wrote my decision on a piece of paper.
500/20 = 25kcal per piece
8 * 25 = 200kcal.....yes, he is able to have 8 pieces