Five times a number plus four times the same number is equal to 360. What is the number?
2 answers:
Answer:
The number is 40.
Step-by-step explanation:
Let the number be x.
Given the statement: Five times a number plus four times the same number is equal to 360.
"Five times a number" means 5x
"Four times the same number" means 4x
Then, as per the given information we have;
Combine like terms;
9x = 360
Divide both sides by 9 we get;
x = 40
Therefore, the number is, 40.
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Answer:
The solution to the system of linear equations is (1,9).
Step-by-step explanation:
The given system of linear equations
... (1)
.... (2)
Subtract equation (2) from equation (1) to eliminate y.
On combining like terms, we get
Add 8 on both sides.
Divide both sides by 8.
The value of x is 1.
Substitute x=1 in equation (1).
The value of y is 9.
Therefore the solution to the system of linear equations is (1,9).