X=14-2y
so, 14-2y+3y=9
y=1
x=14-2*1=12
Hope this answer can help you!
=4(4x+2y+x-y)
=4*4x+4*2y+4*x-4*y
=16x+8y+4x-4y
=16x+4x+8y-4y
=20x+4y
donc la bonne reponse est la 3
4(5x+y)*
=4*5x+4*y
=20x+4y
Answer:
1024
Step-by-step explanation:
4²(4³)
4×4(4×4×4)
16(16×4)
16(64)
16×64
=1024
Answer:
ten and a half
Step-by-step explanation:
2×3.5= 7
3×3.5= 10.5