Answer:
5.
x + 2(x + 1) = 8 --> x = 2
y = 2 + 1 = 3
7.
3(9 + 2y) + 5y = 20 --> y = -7/11
x = 9 + 2(-7/11) = 85/11
9.
3(-1 - 2y) + 5y = -1 --> y = -2
x = -1 - 2(-2) = 3
Answer:
n=10
Step-by-step explanation:
Add 7 to 3
Answer:
compare (1/2)^3 is greater than (a/b)^2
Step-by-step explanation:
1/2*1/2*1/2= 0.125 or 1/8
1/4 * 1/4=0.0625 or 1/16