Answer:
5 + 5 is 10
Step-by-step explanation:
just use to hands or fingers or sum it's basic
Answer:
4. F
5.C
6.G
7.D
8.A
9.E
10.B
Step-by-step explanation:
I believe you haven't included the system of equations for us to solve.
However, I will tell you that you need to solve for one variable in an equation and substitute that into the other equation.
For example:
x = yz; z = x/y
a = zb; a = (x/y)b
Hope this helps!