Isolate the variable by dividing each side by factors that don’t contain variable.
Answer: x = -2
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Answer:
She can type 225 words in 10 minutes
Step-by-step explanation:
We can find the rate by dividing the number of words by the time
90 words/ 4 minutes
22.5 words per minute
Now to find the number of words in 10 minutes, multiply the rate times the time
22.5 * 10 = 225
She can type 225 words in 10 minutes
Let us say ,
x=number of students who passed
y=number of students who failed
total number of students =276
x+y=276..................(1)
We are given 5 times the number of students passed as failed.
x=5y.............(2)
plugging value of x from (2) in (1),
5y+y=276
6y=276
y=46
x=5y=46*5=230
x=number of students who passed=230
Answer:
0.21
Step-by-step explanation:
The given expression is :
We need to solve it.
We know that,
So,
or
So, the value of the given expression is equal to 0.21.
7y - 3x = -5
-3x = -7y - 5
x = 7/3y + 5/3
