solve the following simultaneous equation : 2x+3y= -8 ; 3x+y= -5
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Answer:
the answer to the above question will be different
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Answer:
x=(-1), y=(-2)
Step-by-step explanation:
2x+3y=(-8)—eq1
3x+y=(-5)—eq2
Multiply eq2 by 3
3×(3x+y=(-5))
9x+3y=(-15)—eq3
Add eq1 and eq3, we get
7x=(-7)
x=(-7)/7
x=(-1)
Substitute x=(-1) in eq2
3x+y=(-5)
3(-1)+y=(-5)
(-3)+y=(-5)
y=(-5)+3
y=(-2)
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