Home › UP Board Class 10 › Mathematics › Linear Equations › For x − y = 1 and 2x − 2y = 2, how many solutions?
For x − y = 1 and 2x − 2y = 2, how many solutions?
Ainfinite
Bno soln
Conly 2
Donly 1
Answer & Solution
Correct answer: A. infinite
The second equation is just twice the first. The lines are coincident, so infinitely many solutions.
Related questions
When variables and numbers appear on both sides, you must simplify:Equations needing more than one operation are described as taking more:Once a solution is found, it should be checked by substituting it back to get a statement The product of any number and its reciprocal equals:A fraction multiplying the variable is best removed by multiplying by its:Solving x divided by 4 equals 3 gives x equal to:Solving 4x equals 20 gives x equal to:Solving x minus 8 equals 5 gives x equal to: