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I know the TI-Nspire has DelVar and ClearAZ functions (these delete certain variables and remove all variables A,...Z). I'm pretty sure the TI-83 also has them. For your purposes you would use ClearAZ.
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What is the solution set of -8x plus x plus 15 equals -7x plus 12?
the empty set.
A set of data points has an equation of equals -1.5 plus 2.5x?
-1.5
Is the number 5 in the solution set of x plus 9 equals 16?
No.
What is the solution set for the equation y2 plus 14y equals 0?
(0, -14)
What is the system of equations set in order pairs 3x plus 4y equals 38 5x - 5y equals -30?
Simultaneous equations.
What is the solution set of -8x plus x plus 15 equals -7x plus 12?
the empty set.
Are there any calculator desk sets that would make a great gift?
Yes the Calculator Stapler Tape Dispenser SET Clear Crystal is a great gift idea.
A set of data points has an equation of equals -1.5 plus 2.5x?
-1.5
Is the number 5 in the solution set of x plus 9 equals 16?
No.
What are the elements set of S equals x x2 plus 4x - 5 equals 0?
S = {-5, 1}
What is the solution set for the equation y2 plus 14y equals 0?
(0, -14)
What is the domain and range of y equals 2x plus 5?
Domain : set of all reals Range: set of all reals
What is the property of 0 plus 7 equals 7?
0 is the additive identity for the set of numbers.
What property is integer plus integer equals integer?
Closure of the set of integers under addition.
What is the system of equations set in order pairs 3x plus 4y equals 38 5x - 5y equals -30?
Simultaneous equations.
How is sine50 divided by sine 36 equals 1.303?
Try calculating the sine functions on a scientific calculator, then do the division. And make sure the calculator is set to the correct angular measurement (radians, or degrees, whatever you want to calculate).
X2 plus 6x-16 equals?
Equals anything... x is a variable. If that equation was set equal to zero then you could solve for x, but that is not what you have asked.
