Answer:
18.285 or 18.28
Step-by-step explanation:
This kind of hard to explain without an example, so I'll do my best...
All you have to do is isolate a variable on one side of the equals sign without a coefficient. Ex: x=2y+3 The x is all alone and ready to go into the second equation.
Substitute into the second equation. Ex: 2x+5=3 Substitute: 2(2y+3)+5=3
I hope this helps!
Answer:
Step-by-step explanation: A or the top answer choice. The highes exponent needs to be 2.
Answer:
-8/5
Step-by-step explanation:
convert the expression:-4/5 *2
multiply the fractions: -4/5 *2/1 (multiply across)
the you will get -8/5
Answer:
Hello,
Please, see the attached file.
Thanks.
Step-by-step explanation: