Question

15x+2y=17 x+y=36/5 Solve by elemination method

Answer 1

15x + 2y = 17 ---- 1

x + y = 36/5 ---- 2

Multiply ----2 by 2

15x+2y=17

2x +2y=72/5=14.4

On SUBTRACTING

13x = 2.6

x = 2.6/13 = 0.2

Put x=0.2 in ----1

15x0.2 +2y = 17

2y = 14

y=2

Therefore x=0.2, y = 2

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