Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
7*x-4-(21)=0
Solve : 7x-25 = 0
Add 25 to both sides of the equation :
7x = 25
Divide both sides of the equation by 7:
x = 25/7 = 3.571
Answer:
2x+y=15x+y=10
Consider the first equation. Subtract 15x from both sides.
2x+y−15x=y
Combine 2x and −15x to get −13x.
−13x+y=y
Subtract y from both sides.
−13x+y−y=0
Combine y and −y to get 0.
−13x=0
Divide both sides by −13. Zero divided by any non-zero number gives zero.
x=0
Consider the second equation. Insert the known values of variables into the equation.
15×0+y=10
Multiply 15 and 0 to get 0.
0+y=10
Anything plus zero gives itself.
Answer:
755
Step-by-step explanation:
The sum of 308+622+381=755
The answer is 4 because the portion labelled J shows a constant function but is not at the starting point
Answer:
$0.13 (this is a rounded answer)
Step-by-step explanation:
The unit cost is the cost of a 1 ounce bottle so you would divide the cost by the total number of ounces:
$2.00 divided by 16 is 0.125 but you would round because you need a cost not a decimal.
So your final answer would be $0.13 per ounce.
