Solve by substitution


Just plug in y=-x-1 into y+x=3
So we get:

Simplify that:

And since that is not true, that means this system of equations has no solutions!
Answer:
3cm
Step-by-step explanation:
Answer:
the answer is B. as you can see from the graph Mitchell spent about 8.00 in an hour so he spent more
Answer:
4
Step-by-step explanation:
i just did the same test its 4