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Earn +20 ptsQ: X2 plus 2x equals 3 solution graphically and check algebraically?
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What do you call the solution of a equation derived from an original equation that is not a solution of the original equation?
That's an extraneous solution. You need to check for these when algebraically solving equations, especially when you take both sides of an equation to a power.
What is the solution for -13x equals 52?
-13x = 52 x = -4 Check: -13*-4 = 52
How do you check my math solution twice when there's an equals sign?
It depends whether it is a subtraction, mulitplication, addition, or division problem.
What divided by 2769 equals 5?
Set up algebraically. X = what X/2769 = 5 2769/1*(X/2769 = 5)*2769/1 multiply through by 2769 X = 13845 ------------- check 13845/2769 = 5 5 = 5 checks
Is 2 a solution of 3x-6 equals 5x-10?
yes. check: 3x-6=5x-10 2x=4. X=2. yay!
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