find the values of X and y from the equation 5x+3y=21. 6x-3y=12
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0
Answer:
x =3 y=2
Step-by-step explanation:
( 5 x 3) plus ( 3 x 2) =21
2nd equation
(6 x 3) plus (3 X 2) = 12
Answered by
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equation 1)
5x + 3y = 21
equation 2)
6x - 3y = 12
adding equation 1 and 2...
5x + 3y = 21
+
6x - 3y = 12
11x. = 33
x = 33/11
x = 3
putting x = 3 in equation 1)
5x + 3y = 21
5×3 +3y = 21
15 + 3y = 21
3y = 21 - 6
3y = 6
y = 6/3
y = 2
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