SOLUTION: 14x + 12y =562 x + y =42

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Question 513537: 14x + 12y =562
x + y =42
Answer by mananth(16946) About Me  (Show Source):
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14 x + 12 y = 562 .............1
1 x + 1 y = 42 .............2
Eliminate y
multiply (1)by 1
Multiply (2) by -12
14 x 12 y = 562
-12 x -12 y = -504
Add the two equations
2 x = 58
/ 2
x = 29
plug value of x in (1)
14 x + 12 y = 562
406 + 12 y = 562
12 y = 562 -406
12 y = 156
y = 13