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
4.899 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 derivative of f(x) = sin(x) + cos(x) - 2tan(x) at x = π/4?
+
Question: What is the sum of the first 10 terms of an arithmetic sequence with a first term of 3 and a common difference of 4?
+
Math question: What are the non-negative integer solutions to the equation x^n + y^n = z^n, where n > 2, using Fermat’s Theorem?
+
New questions in Mathematics