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Find the solution of the system of equation . 3x-y=19 3x-4y=-5
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1 vote
Find the solution of the system of equation . 3x-y=19 3x-4y=-5

User Paul Leclercq
by
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1 Answer

4 votes

Answer:

x=9 , y=8

Explanation:


x=(19+y)/(3)


3\cdot (19+y)/(3)-4y=-5


19-3y=-5


y=8

and now


x=(19+y)/(3)


x=9

User Mbded
by
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