Question
The sum of two numbers is 144. Double the first number minus thrice the second number is equal to 63. Determine the first two numbers.
111
likes555 views
Answer to a math question The sum of two numbers is 144. Double the first number minus thrice the second number is equal to 63. Determine the first two numbers.
Timmothy
4.894 Answers
Let x,y be the two numbers
then, x+y=144 --(1)
now, 2x-3y=63 --(2)
from (1),x=144-y
now substituting x value in eq(2)
2(144-y)-3y=63
288-2y-3y=63
288-5y=63
5y=288-63
5y=225
y=45
now finding x value,
x=144-45
x=99
Therefore,the two numbers are 99,45
Frequently asked questions (FAQs)
What is the integral of f(x) = 3x^2 + 2x - 5 with respect to x?
+
What is the period of the tangent function f(x) = tan(x)?
+
What is the median of a set of numbers: 12, 15, 18, 20, 25?
+
New questions in Mathematics