The idea is to replace one variable in the equation by the first number in the ordered pair, the other variable with the second number in the ordered pair, do the calculations, and see whether the resulting expressions are indeed equal.
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The set of all the solutions of an equation or condition
There is no "most advanced" math equation, just as you can never count to "infinity".The equation eipi + 1 = 0is certainly an amazing relationship.(e is 2.7828 ... , i is the solution to i2 = -1, and pi is 3.14159 ...)
If you mean for a math problem, after coming up with a solution you should usually check the solution in the original equation, to be safe.
It means that you can validate the solution by verifying the answer. The answer of 19 for the equation of 47 - 28 = n, is reasonable because 28 + 19 = 47. If the equation is more difficult, showing your work every step along the way to the answer. Just show your work in detail and then checking your solution makes the answer of the math equation reasonable.
A linear relation is an equation that can be written in the form y=mx+b and can be graphed whether it is positive or negative