Answer:
x=5 and y=-2
Step-by-step explanation:
3x+5y=5
-(7x+5y=25)
-4x=-20
x=5
plug 5 into one of the equations. 3(5)+5y=5
y= -2
2 · 7.5 + 2 · 11 = 15 + 22 = 37
Answer:
aprox. 100.94
Step-by-step explanation:
I didn't understood the question in my view the question must be (6x + 4) = 82
Answer:
x = 13
Step-by-step explanation:
6x = 82 - 4
6x = 78
x = 78/6
therefore; x = 13
Honestly? Just review your notes and try to work out the problems yourself before taking a look at the answer. You can also google specific topics that the test will cover and try the practice problems.