Answer:
x = 12
y = 4
Step-by-step explanation:
x + y = 16
x - y = 8
y + 8 = x
Replace x with y + 8 in the new equation
8 + 2y = 16 ----> we can minus 8 on both sides
2y = 8 -----> divide both sides by 2
y = 4
Now for the x value
x + 4 = 16 ----> minus 4 on both sides
x = 12
Answer:
18 since 12 x 2 = 24 so 9 x 2 = 18
Step-by-step explanation:
Answer:
45 maybe
Step-by-step explanation:
it is a right angle . just divide by 2
Answer:
a lot
Step-by-step explanation:
