Question

x−y=4
3x+2y=27
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Solve this Question​

Answer 1

Answer:

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Step-by-step explanation:

so given simultaneous equations are

x-y=4 (1)

3x+2y=27 (2)

multiplying (1) by 2

2x-2y=8 (3)

now applying

(2)+(3)

3x+2y=27

2x-2y=8

_________

5x=35

x=7

substitute value of x in any of three equations

we have then

y=3

thus then

(x,y)=(7,3) is solution of above linear equations