17 is the correct answer I believe. 180-112 = 68 68/4=17
Answer:
Infinitely many solutions
Step-by-step explanation:
If we have a system of equation like:
2x+y=4
6x+3y=12
If we make y the subject in the first equation and substitute into the second equation, we get:
6x+3(4-2x)=12
We expand to get:
6x+12-6x=12
6x-6x+12=12
Now the variable adds out to give:
12=12
This statement is true so the equation has infinitely many solution.
Answer:
System of equations:
(4, 22)
A pair of socks costs 4 dollars, and a pair of slippers cost 22 dollars.
Step-by-step explanation:
Answer:
59.
Step-by-step explanation:
I´m pretty sure the answer is 59. If I´m wrong then sorry.