3x+5x+1=17
x=2
y=5•2+1
y=1
(x, y)=(2, 11)
3x+2(4x+5)=43
x=3
y=4•3+5
y=17
(x, y)=(3, 17)
I think I did it right and I hope I helped you
I) -7s^2+28st+21su
II) -8c^2+20cd
Answer:
the first one
Step-by-step explanation:
They are all the same amount of blocks.
