Question

Solve x+3y=16 2x+3y=4

Answer 1

Explanation:

answer with explanation is above

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Answer 2

Solution:-

x+3y= 16 -(1)

and,

2x+3y= 4 -(2)

Subtracting-(1) and -(2)

x+y-(2x+3y)= 16-4

$\bold{ \implies x + \cancel{3y }- 2x - \cancel{ 3y} = 12}$

$\bold{ \implies{3x = 12}}$

$\huge \ \bold \red{ \implies \: x = 4}$

Substituting the value of x in -(1)

x+3y=16

$\bold{ \implies4+ 3y = 16}$

$\bold{ \implies3y = 12}$

$\huge \red{ \bold{y = 4}}$