Answer:
g(-7)=5
Step-by-step explanation:
-2(-7)-9
14-9=5
Answer:
x=3 y=-1
Step-by-step explanation:
3x+2y=7
x-y=4
Answer:
the answer is 20 cups of sugar
Step-by-step explanation:
7/28= 5/x
x= 20.
x reps the number of cups of sugar
Answer: Number one would be 3x+2y+-14 and x+y=-4, second one is x=-3, y=7
Step-by-step explanation:
The first one is solved by inputting the x and y in each one and finding which one comes out true, the second on is solved by substitution. to find x you would subtract x in the first equation and make it y=4-x then input that equation in the y in the second equation.
