Question

Solve the simultaneous equations
3 x + 2 y = 18
3 x + y = 12

Answer 1

x=2 , y=6

Explanation:

3 x + 2 y = 18

3 x + y = 12

(-) (-) (-)

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y = 6

3x+6=12

=>3x=12-6

=>3x=6

=>x=6/3

=>x=2