Question

3x +2y = 8, 2x +3y = 7 by substitution methods​

Answer 1

Answer:

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Step-by-step explanation:

 3x +2y = 8 eq 1, 2x +3y = 7 eq 2

3x = 8- 2y

x = 8-2y/3

sub x = 8-2y/3 in eq  2

2[8-2y/3] + 3y = 7

16-4y/3 + 3y = 7

lcm of 3, 1 = 3

16-4y + 9y /3 = 7

16-4y+9y = 21

16 +5y = 21

5y = 21-16

5y = 5

y = 5/5

y = 1

x = 8-2y/3

x = 8-2*1/3

  = 8-2/3

  = 6/3

x  = 2

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