X-9=8(2x+3)-18
x-9=16x+24-18
-9=15x+6
-15=15x
x=-1
Answer:
D
Step-by-step explanation:
Answer:
2 km
Step-by-step explanation:
4π = π × r²
r² = 4
r = 2
Answer:
y =1
Step-by-step explanation:
6(2y−9)=-42
Divide each side by 6
6/6(2y−9)=-42/6
2y -9 = -7
Add 9 to each side
2y -9+9 = -7+9
2y =2
Divide by 2
2y/2 = 2/2
y =1