dusty
What is the value of the y variable in the solution to the following system of equations?
5x + 3y = 7
3x  5y = 23
A.) 1
B.) 1
C.) 4
D.) 4



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yiersan
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ans:4

dusty
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could u explain it please?

jedai17
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use the elimination method..

yiersan
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\[x=(73y)/5\]

yiersan
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and sub it to the second equation

dusty
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thank you :)

jedai17
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@dusty did you get it?

yiersan
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if you are unsure if the ans is correct. u can sub back the value x and y you have found into the two equation given.