Question

if x+3y=6 and 2x-3y=12 , then the value of x is ?​

Answer 1

Answer:

x = 6

Step-by-step explanation:

Firstly,

x+3y = 6

3y = 6-x

y = (6-x)/3 —— (1)

Also,

2x-3y = 12

2x-12 = 3y

3y = 2x-12

y = (2x-12)/3 —— (2)

Now,

From equation 1 and 2, we get

(6-x)/3 = (2x-12)/3

3(6-x) = 3(2x-12)

18-3x = 6x-36

18+36 = 6x+3x

54 = 9x

54/9 = x

x = 6

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