Two times the first number added to the second number is -7
1 answer:
2a+b=-7
5a+b=-13
b=-2a-7
5a-2a-7=-13
3a=-6
a=-2=first number
2(-2)+b=-7
-4+b+-7
b=-3=second
You might be interested in
Answer:
4
Step-by-step explanation:
x butterflies and y dragonflies
4 < x + y 《 8
x = 2y
4 < 2y + y < 8
4 < 3y < 8
Only multiple of 2 between 4 and 8 is 6
So 3y = 6
y = 2
x = 2y = 4
Answer:
144
Step-by-step explanation:
Length of 1 side is 12 so area is 12*12
Answer:
tje gorilla weights 240 lb
Answer:
-1/2 dont forget the negative!!!
Step-by-step explanation:
pull out like terms
B
Step-by-step explanation:
312.99 divided by 3 equals 104.33 nothing in his account changed except the 312.99