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​ ​ ​ ​​ ​5x−6y=−25 ​4x−3y+20=0 ​​ How many solutions does the system have?
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​5x−6y=−25
​4x−3y+20=0
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How many solutions does the system have?

User George Karanikas
by
6.8k points

1 Answer

1 vote
4x - 3y + 20 = 0....4x - 3y = -21

4x - 3y = -21.....multiply by -2
5x - 6y = -25
----------------
-8x + 6y = 42 (result of multiplying by -2)
5x - 6y = -25
---------------add
-3x = 17
x = -17/3

this system of equations has 1 solution
User Missuse
by
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