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.
Answer:
180-30
=150
Step-by-step explanation:
subtract whole area with degree given
Answer:
6
Step-by-step explanation:
replace the variable with the information provided which will give you
x=4+6-4
solve
answer:6
What do we do? Like line it or what