Mathematics
Grade10
Easy

Question

Solve the system:
3x - 2y = 14
y = -2

  1. y = 5
  2. (33, -2)
  3. (3.33, -2)
  4. no solution

Hint:

Here we have to solve the system. Given equations are, 3x – 2y = 14 and y = -2. Use the basic concept and solve this question by substitution method.

The correct answer is: (3.33, -2)


    Here we have to solve the system.
    Firstly , we are given with equation which is,
    3x – 2y = 14 …(i)
    y = -2 …(ii)
    Use substitution method, Put y = -2 in equation (1), Or we can say that
    Substituting y from (ii) in (i), we get
    3x – 2(-2) = 14
    3x + 4 = 14
    x = 3.33
    Therefore, x = 3.33 and y = -2.
    The correct answer is ( 3.33 , -2)

    In this question, we have already given the value of y. Using substitution, method we are easily to solve this particular problem.

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