MCQ Subject: Basic Algebra

If 3x + 5y = 28 and x = 2y – 1, then what is the value of y in the equation after substituting x?

What condition must be met for two linear equations in two variables to have exactly one solution?

Solve for x and y in the equations: 2x + 3y = 7 and x – 2y = -3. Which method is most direct?

For the system of equations 2x + 3y = 7 and x – 2y = -3, which statement is true about the solution?

Solve for x in the system: 3x + 2y = 7 and x – 4y = -3 using elimination. What is the value of x?

Which equation represents two numbers whose sum is 55 and where one is 13 more than the other?

Which method involves setting the two equations equal to each other after making the coefficients of one variable the same in both equations to solve for the other variable?

Solve for y in the equation 3x + 2y = 17 when x = 4 using substitution method.

Solve for x: 2x + 5 = 3x – 2

Which equation represents the statement ‘The sum of a number and its square is 10’?