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Earn +20 ptsQ: If x equals 6 and y equals 3 then 9x plus 8y equals?
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Continue Learning about Calculus
9x plus 4 equals x-7?
9x+4 =x-7 8x=-3 x=-3/8
How can you get coefficients that are equal for y. 3x plus 5y equals 7 2x plus 15y equals 11?
Multiply the first equation by 3 to give 9x + 15y = 21
9x plus 5 equals 4x plus 3?
9x + 5 = 4x + 3 Subtract 4x from both sides: 5x + 5 = 3 Subtract 5 from both sides: 5x = - 2 Divide both sides by 5: x = -2/5 or -0.4
What is 9x-3(x plus 13y)?
9x - 3(x + 13y) = 9x - 3x - 39y = 6x - 39y = 3(2x - 13y)
What are the factors of 2x squared plus 9x plus 9?
(2x+3)(x+3)
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