Math, asked by swamishiva454, 1 month ago

Subtracting equations I from II
5x + 3y = 7
- 3x + 5y = 9
2x - 2y = ?

Answers

Answered by Padmalochana09

0

Step-by-step explanation:

Sorry sorry sorry sorry sorry sorry OK bye have to read

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Answered by Tejaswinibussa

0

Step-by-step explanation:

5x+3y=7 multiply this equation with 3

-3x+5y=9 multiply this equation with 5

15x+9y=21

-15x+25y=45

____________

34y=66

____________

y=66/34 =33/17

15x+9*33/17=21

15x=21-297/17

15x=100/17

x=100/15*17

x=20/51

2x-2y=2*20/51-2*33/17

=-158/51 approximately -3

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