Mathematics

5 August, 09:55

1) A student uses the substitution method to solve the system of equations below algebraically.

2x - y = 5

3x + 2y = - 3

Which equivalent equation could be used?

(A) 3x + 2 (2x - 5) = - 3

(B) + 2 (5 - 2x) = - 3

(C) 3 (y + 5/2) + 2y = - 3

(D) 3 (5/2 - y) + 2y = - 3

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