Question

solve simultaneous equation. Please give the answer. If you don't know don't want to write don't know and gain marks then i will report that answers ​

Answer 1

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Answer 2

Step-by-step explanation:

$\frac{3x + 2y}{6} = 4 \\ 3x + 2y = 24$

3x + 2y = 24 eqn (i)

7x - y = 12 eqn (ii)

multiply eqn (ii) by 2

that is 14x -2y = 24 eqn(iii)

subtract eqn(i) and eqn(iii)

$14x - 2y - (3x - 2y) = 24 - 24 \\ 11x = 0 \\ x = 0$

insert value of x in eqn(i)

3(0) + 2y = 24

2y = 24

y = 12

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