Answer:
Step 1 Eliminate fractions by multiplying all terms by the least common denominator of all fractions.
Step 2 Simplify by combining like terms on each side of the inequality.
Step 3 Add or subtract quantities to obtain the unknown on one side and the numbers on the other.
Answer: $2.50
for rounding to the tenths, look at the hundredths place and if it is more than 5 round up :)
Answer:
12x the second -12x -16
Step-by-step explanation:
Solving systems of equations with 3 variables is very similar
Answer:
Step-by-step explanation:
Given
Required
True values of x
We have:
Collect like terms
Divide both sides by 3
This means that x has a value lesser than 14.67.
Hence, the valid values are:
The matrix should be this:
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![\left[\begin{array}{ccc}2&-3\\1&1\end{array}\right]](https://tex.z-dn.net/?f=%20%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D2%26-3%5C%5C1%261%5Cend%7Barray%7D%5Cright%5D%20)
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