Answer: 2x - 4y = -1
Step 1: Move the variable.
2x - 4y = 4y - 1 - 4y
Step 2: Remove the opposites.
2x - 4y = -1
Answer = 2x - 4y = -1
Hope this helps!
Answer:
he bought 5 english books and 5 math books
explanation:
total spent on english books 5x22=110
total spent on math books 5x29=145
total spent together: $255
The second survey is more believable because there is randomness in the second rather than the first survey. Since the second company surveyed in all interest levels while the first company only surveyed their best customers. Random sampling like what the second company did helps produce representative samples by removing voluntary response bias and undercover age bias.
Let the 3 numbers be x,x+1,x+2
Given sum of those 3 consecutive integers are 78
X+x+1+x+2=78
3x+3=78
3(x+1)=78
X+1=26
X=26-1
X=25
Therefore the numbers are 25,26,27
54 red cars, sorry cant explain, need points urgently, CHEERIO!