Answer:
Step-by-step explanation:
hello :
the system is : x+ y =4 ...(*)
2x - y = -1...(**)
add(*) and (**) : 3x=3 so : x=1
put this value into (*) : 1+y=4 so : y=3
one solution : (1 , 3)
Answer:
Note: When you add this to your homework, paraphrase.
Graphs are used to plot down information, find differences between numbers, make a visual for numbers, make patterns, and see how many of something there are.
Answer:
3x2-6x+1=0= 7/6
Step-by-step explanation:
3x2-6x+1=0
-6x=-7
than divide each term in -6x=-7 by -6 and simplify
x= 7/6
Isolate the variable by dividing each side by factors that don't contain the variable.
y = 2 − x