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Earn +20 ptsQ: 2x-3 equals 10x plus 21
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What is -3x plus 10x - 5 plus 26?
-3x + 10x - 5 + 26 = 7x + 21
What type of lines are these x plus 2y equals 7 and 2x plus 4y equals 21?
They are parallel lines.
X 2-10x equals 21?
Assuming x(2-10x)=21 to be solved for x, distribute to -10x2+2x=21, or 10x2-2x+21=0. By the quadratic equation, we can determine there are no real solutions because the square root of -836 does not exist. In imaginary solutions, we can reduce to 1/10*(1 + sqrt(-209)) and 1/10*(1-sqrt(-209)) as solutions.
What is the solution of the following linear system 4x-3y equals 3 2x plus 5y equals 21?
x = 3, y = 3
What is 8 over negative 3 plus negative 7 over 2?
8/-3 + -7/2 = 8x-2/-3x-2 + -7x3/2x3= -16/6 + -21/6= -37/6
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