The rational number would be 16
Answer:
20
Step-by-step explanation:
170/8.5
The answer of your question is 4x +6y = - 5
Answer:
x=3, z=-1, y=6
Step-by-step explanation:
you need to make the coefficients of each variable equal to each other then subtract 2 equations.
this one: multiply -4 in 1st
4x+4y+4z=32
-4x+4y+5z=7
_____________
8x+0-z=25
we have 2 equations with 2 variables now
2x+2z=4
8x-z=25
There’s an app called Photomath download its free it’s simple it gives u the answer and shows how to work it out
