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The difference between two supplementary angles is 20 degrees. Find the larger angle.
What is the y-intercept of the line 5x - 2y = 10?
Three times a number is 10 more than the number. Find the number.
The ratio of two numbers is 3:4 and their sum is 70. Find the smaller number.
If a number is added to its half, the result is 12. Find the number.
For what value of k will the lines 3x + y = 5 and kx + 2y = 10 be coincident?
In a two-digit number, the sum of digits is 9. If digits are reversed, the new number is 27 more than the original. Find the original number.
A boat travels 24 km upstream in 6 hours and 24 km downstream in 3 hours. Find the speed of the boat in still water.
Solve for x and y: 1/x + 1/y = 5/6 and 1/x - 1/y = 1/6
Five years ago, A's age was 3 times B's age. Ten years later, A will be twice as old as B. Find current age of A.
If 3x + 4y = 10 and 4x + 3y = 11, what is the value of x + y?
For what value of 'p' does the system of equations px + 2y = 5 and 3x + y = 1 have no solution?
A fraction becomes 1/3 if 1 is subtracted from the numerator and it becomes 1/4 if 8 is added to the denominator. Find the fraction.