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Earn +20 ptsQ: What is -7 y equals -42?
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What is 6y equals -42?
48
5x - y equals 27 5x plus 4y equals 42?
27 + y = 42 - 4y so 5y = 15 making y = 3 and x = 6
If T equals 3x plus 7y what is T when x equals 4 and y equals 6?
T = 3x + 7y; x = 4; y = 6T = 3x + 7y (substitute 4 for x, and 6 for y)T = 3(4) + 7(6) = 12 + 42 = 54
What is the y intercept of the line y equals 8x plus 7?
7 is the y intercept
What is the value of x and y in x plus y equals -7 x-y equals 1?
-6
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