Answer:
$6.00
Step-by-step explanation:
2(1.75)+2.50=6
Answer:
meh
14fri
Step-by-step explanation:
Answer:
the last one
3x-y=1
-2x+y=-4
Step-by-step explanation:
Answer:
One solution
Step-by-step explanation:
The given equation is;

Group similar terms;

Combine the similar terms to get;

Multiply both sides by -1 to obtain;

Therefore, there exist only one solution.
Its right,vertical,and complementary.Hope this helps you a bunch!