Answer:
The real solution is
.
Step-by-step explanation:
while 
So the equation becomes:



We know that
. So let's see what
gives us:
.
is the result we wanted.
is therefore a solution.
Answer:
The next mark should be at (3,-3)
Answer:
3.5>3/5
Step-by-step explanation:
Answer:
32
Step-by-step explanation:
Both are negative so it come out to positive and then 8*4 is 32
Answer:
a = 15
Step-by-step explanation:
Given
3a + b = 54 ← substitute b = 9
3a + 9 = 54 ( subtract 9 from both sides )
3a = 45 ( divide both sides by 3 )
a = 15