Question

2. Solve the following simultaneous equations.
(5) 5x + 2y = -3; x + 5y = 4


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Answer 1

Answer:

x = -1

y = 1

Step-by-step explanation:

5x + 2y = -3

(x + 5y = 4)*5

5x + 2y = -3

(-)5x + (-)25y = (-)20

-23y = -23

y = 1

x + 5y = 4

x + 5*1 = 4

x = 4 - 5

x = -1