Answer:
u= -3 v=11
Step-by-step explanation:
7u+2v=1 17u+6v=-9
-3(7u+2v=1)= -21u-6v=-3
-21u-6v=-3 + 17u+6v=-9 = -4u= -12
u=-3
7(-3)+2v=1
-21+2v=1
2v=22
v=11
Hope this will help you.
hope u understand......
Mr. Nelson paid $48 befor tax.
Let x be the price of the item before tax.
108 % * x - x = 3.84 (the tax itself)
27/25x - x = 3.84
2/25 x = 3.84
x = 48
