Question

The sum is 20 and the difference
is 4

Answer 1

Step-by-step explanation:

SUPPOSE X AND Y ARE TWO NUMBERS.

THE SUM OF TWO NUMBERS IS 20.

X + Y = 20 …………..(1)

AND THEIR DIFFERENCE IS = 4

X- Y = 4 ………………(2)

X+ Y = 20

X- Y = 4

BY SOLVING ABOVE EQUATIONS, WE GET

X = 12 AND Y = 8

Hope it helps.

Answer 2

Answer:

a+b=20---(1)

a-b=4---(2)

solve (1) and (2)

a=12,b=8

the numbers are 12 and 8.