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Earn +20 ptsQ: What is 6x plus 14y plus 8x-18y?
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How do you substitute 6x 4y-12 8x-14y-16?
6x=4y=-12 8x-14y=-16
How would you solve this problem 6x - 9y equals 19.5 and 7y - 3x equals -11?
First, you would have to eliminate a variable. Let's multiply each side of the second equation by two. 7y - 3x = -11 => 14y - 6x = -22 => -6x + 14y = -22 Now you have two new equations: 6x - 9y = 19.5 -6x + 14y = -22 Now add the two equations together to eliminate the variable. 0x + 5y = -2.5 => 5y = -2.5 => y = -0.5 Substitute y = -0.5 into an original equation. 6x - 9y = 19.5 => 6x - 9(-0.5) = 19.5 => 6x - (-4.5) = 19.5 => 6x = 15 => x = 2.5 The answer is: x = 2.5 y = -0.5 or as an ordered pair: (2.5,-0.5)
What is 2y-7 equals 14y plus 29 Y equals?
2y-7 = 14y+29 2y = 14y + 36 -12y = 36 -y = 3 y = -3
What is -6x plus 6x plus 7?
-6x^2 - 78x - 252 Improved answer: -6x+6x+7 When simplified = 7
What is 14(y plus 8)?
It is equivalent to: 14y+112
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