Answer: 9w+9
Step-by-step explanation:
First combine like terms: 6w+3w
You can't combine 9 and 9w so that would be your answer.
Then if it calls for it, use the commutitive property to move 9w before 9.
Hope this helps!
Answer:
in this method a variable is expressed in terms of another variable from one equation and it is substituted in remaining equation.
Step-by-step explanation:
solve:x+2y=9 and 3x-y=13.
x+ 2y=9…be the first equation
3x-y=13…be the second equation
from first equation
x=9-2y…be the third equation substituting value of x from third equation in second equation, we get
3(9-2y)-y=13
or, 27-6y-y=13
or, y=2
now,
substituting value of y in third equation, we get,
x=9-2×2
=9-4
=5
the required value of x and y are 5&2
Answer:
Answer = 3
Step-by-step explanation:
Constant of proportionality = slope
Yes, all whole numbers are integers, no matter negative or positive.
