Answer:
Step-by-step explanation:
Its actually -6.9
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.
Answer:
72
Step-by-step explanation:
36+36=72
Answer:
12m8(2m2)3
4
m5
=24m19
Step-by-step explanation: