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Solve following.
|2x - 5 |= 9
Solution
Now, recall that absolute value does not just make all minus signs in plus signs. In order to solve these we've got to employ the formula above as in all cases the number on the right side of the equal sign is positive.
There actually isn't much to do here other than using the formula from above as noted above. All we have to note is that in the formula above p represents whatever is on the inside of the absolute value bars and so in this case we have,
2 x - 5 = -9 or 2 x - 5 = 9
At this instance we've got two linear equations which are easy to solve.
2 x = -4 or 2 x = 14
x = -2 or x = 7
Thus, we've got two solutions to the equation
x = -2 and x =7 .
Now, let's take a look at how to deal with equations for which b is zero or negative. We'll do this with an example.
There is a third method that we'll be looking at to solve systems of two equations, but it's a little more complicated and is probably more useful for systems with at least three e
Solve out the following system of equations by using augmented matrices. 3x - 3 y - 6 z = -3 2x - 2 y - 4 z = 10 -2x + 3 y + z = 7 Solution Following is the au
arithmetic , geometric , or niether ? 486 , 162, 54 , 18 , 6
9x^4-x^2=0 step by step
#ques1). Using the function: y=y0,(.90)^t-1. In this equation y0 is the amount of initial dose and y is the amount of medication still available t hours after drug is administered.
10x^2+19x+6
We will begin with inequalities that only have a single inequality in them. The thing that we've got to keep in mind here is that we're asking to find out all the values of the
would a slope of a quadratic function get narrower or wider if the slope is changed from 3 to 2.5?
5/4:3/7
Now we will discuss as solving logarithmic equations, or equations along with logarithms in them. We will be looking at two particular types of equations here. In specific we will
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