Find two numbers a and b whose sum a+b is −3, and whose difference a−b is −7.Your answer is
1 answer:
Answer:
a = -5
b = 2
Step-by-step explanation:
a+b=-3
<u>a-b= -7</u> +
2a = -10
a = -10/2
a = -5
a + b = -3
-5 + b = -3
b = -3 + 5
b = 2
You might be interested in
Answer:
30 x 3 - 80 is 10
Step-by-step explanation:
Answer:

Step-by-step explanation:

It’s only a vertical angle
Hi there!
2³ [ (15 - 7) × (4 ÷ 2) ] = 8 [ 8 × 2 ] = 8 × 16 = 128
Hence,
The required answer is 128
~ Hope it helps!
D. X = 10
6x-20= 40
6x=40+20
6x=60
X=10