Question

if 2x+3y=6 and 3x+2y=9 then x+y=​

Answer 1

Step-by-step explanation:

2x+3y=6

3x+2y=9

x=3

y=0

x+y=3+0=3

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Answer 2

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QUESTION:

if 2x+3y=6 and 3x+2y=9 then x+y=

ANSWER:

(1)⟵3x+2y=9

(2)⟵2x+3y=6

by elimination method ,

(1) × 2 ➝ 6x+4y = 18

(2) × 3 ➝ 6x+9y = 18

_________________

-5y = 0

y=0

sub/: y=0 in (1)

(1) ➝ 3x+2(0)=9

3x = 9

x= 9/3

x= 3

therefore ,

x= 3

y= 0

then

x+y = 3+0 = 3