Answer:
1
Step-by-step explanation:
=>
<u><em>Where a = 2, b = 3</em></u>
=>
=> 4(4) - 4(6) + 9
=> 16 - 24 + 9
=> -8 + 9
=> 1
Answer:
i don't get your questions
Answer:
x = 3.8
y = 15.2
Step-by-step explanation:
y = 4x
y = 19 - x,
if y = y then,
4x = 19 - x
5x = 19
x = 19/5 = 3.8 now inputting the answer to x into one of the unchanged equations above (y = 4x),
y = 4x = 4*3.8 = 15.2
Double check:
y = 19 - x = 19 - 3.8 = 15.2