(a+b) + c = a + (b + c)
re-arrange the numbers - associative property of addition
Answer
Associative property of addition
Answer:
10,800
Step-by-step explanation:
you would multiply 1450 by 3 witch is 4350 then multiply that answer by to for the second year witch is 8700 then u take the price of ur books witch is 350 and multiply that by 3 witch is 1050 then multiply 1050 by 2 witch is 2100 then u add 8700 and 2100 and that gives u 10800
Answer:
X= - 5
Step-by-step explanation:
Answer:(x,y)=(8,18)
Step-by-step explanation:
Given
5x-2y=4-------1
Second Equation
-2x+y=2-----2
Now multiply equation 2 by 2 and it to equation 1
5x-4x+0=8
x=8
substitute it in equation 1
36=2y
y=18
Therefore
(x,y)=(8,18)
