x = 2 & y = 3
.............................
1+x=3
x=2
x-4=-2
x=2
1+x=-2
x=-3
x+3=5
x=2
x-5=3
x=8
So 1+x=3,x-4=-2,x+3=5 are equivalent
Answer:
b is the awnser
Step-by-step explanation:
since there's 3 friends and r is 90 and the start off each paying 5 dollars
Answer: 20%.
Step-by-step explanation:
Given, The price of a shirt is marked down from $12.50 to $10.00.
Previous price = $12.50
New price = $10.00
Change in price = Previous price - New price
= $12.50 - $10.00
= $2.50
Now, the percent decrease of the shirt = 

Hence, the percent decrease of the shirt = 20%.
Answer:

Step-by-step explanation:
Solve for x;
2x - ( x - 2 ) = 4x
distribute minus sign through parantheses
combine like terms
subtract x from both side
- x - x + 2 = 4x - x
- 2 = 3 x
Divide each side by 3

