allery2x + y = 7, x + y = 4 എന്നിവയിൽ നിന്ന്, y യുടെ മൂല്യം
A4
B2
C3
D1
Answer & Solution
Correct answer: D. 1
കുറയ്ക്കുമ്പോൾ x = 3 ലഭിക്കും, തുടർന്ന് y = 4 - 3 = 1 ലഭിക്കും.
Keep practising Elementary Algebra
Browse all Elementary Algebra questions for RRB NTPC, or explore more Mathematics topics.
Related questions
RRB NTPC · Algebraic ExpansionsRRB NTPC · Solving Linear EquationsExpand and simplify the algebraic expression: (x + 3)(x - 3)Evaluate the quadratic expression 2x^2 + 5x - 4 when x = 3:If a + b = 10 and a - b = 4, what is the value of a?Solve for x: 3x - 7 = 14. What is the value of x?RRB NTPC · Solve Linear EquationsWhen a system of two lines on the plane has no intersection, what is its solution set?