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Earn +20 ptsQ: Is x plus y equals 4 a function?
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Is x plus 8y equals 5 a function?
No, that is a equation.
8x plus 5y equals 4 in function form?
f(x)= (4 - 5y)/8 f(y)= (4 - 8x)/5
What is the x in x plus 4 equals 2x plus 3?
1
What is the solution of the system -x plus y equals 4 and x plus y equals 2?
It is (-1, 3).
2x plus x plus 4 plus 2x equals x plus 20?
2x + x + 4 +2x = x + 20 5x + 4 = x + 20 5x - x = 20 - 4 4x = 16 x = 4
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