Answer: -n-4
Step-by-step explanation:
Distribute the - to n and 4
Answer:
Step-by-step explanation:
<span>1) 20 cm by 20 cm by 6 cm
2) 40 cm by 30 cm by 2 cm</span>
When substituting, you want to take the y value from one equation and plug it into the y variable in the other equation to find the x value. When you find the c value, you plug the number into one of the equations to get your y value.
I think this is how you do it...