Answer:
12x+4y=40
-4 -4
---------------
12x=36
--- ---
12 12
36÷12=3
240
Step-by-step explanation:
by minusing the both values it'll be 240
Let the number = x
12 + x = 3x - 32
x = 3x - 44 Subtract 12 from both sides
-2x = -44 Subtract 3x from both sides
x = 22 Divide by -2
The answer is option A
Hope this helps
