Mathematics
Solution of equation + 1 = 0 and + 2 = 0 is: 1. -1 and -1 2. -1 and -2 3. 1 and -1 4. none of these
Related Questions
If 3y - 2x = 1 and 3x + 4y = 24, the value of x and y are :
3 and 4
3 and 3
4 and 4
4 and 3
On simplifying the equation 7(x - 1) - 6y = 5(x - y), we get:
2x - y = 7
2x + y = 7
x - 2y = 7
3x - 2y = 7
In a two digit number, the sum of the digit is 11 and the tens digit minus unit digit is 5. The number is :
38
83
29
92
Statement 1: x = 5 and y = 2 are the solution of equations x - y = 3 and 2x + y = 11.
Statement 2: On substituting x = 5 and y = 2 in each of the above equation the value of left hand side and right hand side for each equation must be same.
Both the statements are true.
Both the statements are false.
Statement 1 is true, and statement 2 is false.
Statement 1 is false, and statement 2 is true.