Find the solution by elimination method. Please Help.
2 answers:
Answer:
x = 3, y = 2
Step-by-step explanation:
Multiply equation 1 by -6
-24x - 36/y = -90
Multiply equation 2 by 4
24x - 32/y = 56
Add the two equations:
-36/y - 32/y = -34
-68/y = -34
y = -68/-34
y = 2
4x + 6/2 = 15
4x = 15 - 3
4x = 12
x = 3
Answer:
I'm newbie here
Step-by-step explanation:
Elimination Method.
4x + 6/y = 15 → step 1
6x - 8/y = 14 → step 2
so,
4x + 6/y = 15 |×6|
6x - 8/y = 14 |×4|
24x + 6/y(6) = 90
24x - 8/y(4) = 56
24x + 36/y = 90
24x - 32/y = 56
____________ _
68/y = 34
68 = 34y
34y = 68
y = 2
subsitution y = 2 to..
4x + 6/y = 15
4x + 6/2 = 15
4x + 3 = 15
4x = 12
x = 3
So, for x is 3, and for y is 2
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