Asked by DJDiamond
I need to find the solution or no solution or infinite solutions to these two equations.
x + 2y =4 9x - 4y = 3
x + 2y =4 9x - 4y = 3
Answers
Answered by
Steve
we see that x=4-2y, so
9(4-2y)-4y = 3
36-18y-4y = 3
22y = 33
y = 3/2
so, x = 1
9(4-2y)-4y = 3
36-18y-4y = 3
22y = 33
y = 3/2
so, x = 1
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