Answer:
5x + y = 8
Step-by-step explanation:
Given the equations:
x+3y=10 ____ (1)
2x−y=−1 ____ (2)
Multiply (2) by 2
2(2x - y = - 1) = 4x - 2y = - 2
4x - 2y = - 2 - - - (3)
Add (1) and (3)
4x - 2y = - 2
x + 3y = 10
___________
5x + y = 8
_________
Part A) you sub .3 B is answer
Part b) 23.4-.3=23.1 and 23.1-.3 is 22.8 B is answer
Your welcome!
Answer:
42.5
Step-by-step explanation:
1/2 = .5
42 = 42
42.5
Answer:
Math
Step-by-step explanation:
12
