There are many ways of solving a system of equation, a very used one is by elimination of variables, which consists in eliminating one of the variables by combining the equations.
Let's do the following combination: (eq 1) + (eq 2)
This means that we add each term vertically:
⇒
When I said "add vertically" means that you add the first term of the first equation with the first term of the second equation. The second term of the first equation with the second term of the second equations, and so on.
This allowed us to remove the "y" temporarily so we can get a linear one-variable equation we can easily solve:
Now that we know the value of "x", we can plug it in any of the starting equations and get "y":
Therefore, our answer looks like this:
The cost of the carpet prior to taxes is $1,212.64
Answer: If you are evaluating, reduce the expression, if possible, by cancelling the common factors.
-138/19=-100/19
If you wanting to find out if this is true or not, the left side -7.26315789 does not equal to the right side -5.26315789, which means that the given statement is false.
Hope this helps you out! ☺
Answer:
The answer is D. 555.45
Step-by-step explanation:
you multiply 45.25 by 6 and get 271.5 and add 272.95 and get the answer D