Answer:
wn work
Step-by-step explanation:
Use Subtraction
1. Subtract
x+2y=7
3x-2y=-3
-------------
4x+0y=4 SIMPLIFY 4x=4
2. DIVIDE
4x=4
x=1
Substitute that into either of the original equations to get x=1, y=3
Answer:
the original price is 75.50
Step-by-step explanation:
Answer:
The Basic Identities are :



So for this question :



