Equation 1 : x + y + z = 3.25
equation 2 : 12x + 2y + z = 9.50
equation 3 : 2x + 4y + 5z = ??
u would multiply equation 1 by -12.....take that result and add it to equation 2....this eliminates x.
u would multiply equation 3 by -6...take that result and add it to equation 2....this eliminates x
X=8.33
u have to isolate the x on a side ans the numbers on the other side of the equation
Answer:
5 i think
Step-by-step explanation:
im doing the test ill come back and tell you if its right
I'm sorry my friend but I need as much help as you do I'm just answering this so I can get some help sorry
Uhhhhh yes.?
love that for u