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30x+18y=486 solve for y and x
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30x+18y=486 solve for y and x

User Mway
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1 Answer

7 votes
you can't solve for an exact answer for both x and y since there would be two solutions, think of this as a linear equation
30x+18y=486-30x
-30x
18y=486-30x
/18. /18
y=27-5x/3

30x+18y=486
-18y. -18y
30x=486-18y/30
/30.
x=81/5-3y/5
User Rick Petersen
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