solve using addition or subtraction 3x+2y=13 5x-3y-9=0
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Answered by
2
Answer:
3x+2y=13.......1
5x-3y=9.........2
multiply eq1 by 3 and eq 2 by 2
9x+6y= 39.......3
10x-6y= 18........4
add eq 1 and eq2
19x= 57
x= 3
put x in eq2
15-3y=9
-3y= -6
y=2
hence xis 3 and y is 2
Answered by
1
Answer:
Step-by-step explanation:
3x + 2y = 13 5x-3y-9=0
3+2 = 13*5 -3- 9 = 0
x= -12
y= -7
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