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VashaNatasha [74]
3 years ago
13

−3x−6+(−1) need answer pls

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
7 0

Step-by-step explanation:

−3x−6+(−1)

-3x-7

<h2>Hope it helps you</h2>
melomori [17]3 years ago
4 0

Answer:

−3 −7

Step-by-step explanation:

-3x-6-1

-3x-7

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Read 2 more answers
huong and kathyrn each day impeoved their yards by planting rose bushes and ornamental grass. they bought their supplies from th
marta [7]

Answer:

One rose bush = $3

One bunch of ornamental grass = $4

Step-by-step explanation:

We can set up a system of equations to solve for this. Let cost of 1 rose bush be r and cost of 1 ornamental grass be g. Thus we can form 2 equations:

14r+7g=70\\5r+14g=71

We can multiply the first equation by -2 so that we can eliminate g. Thus, we have:

(*-2)14r+7g=70\\5r+14g=71\\-------\\-28r-14g=-140\\5r+14g=71\\--------\\-23r=-69\\r=\frac{-69}{-23}=3

Thus, 1 rose bush is $3. Now plugging in r = 3 into the first original equation, we can solve for g:

14r+7g=70\\14(3)+7g=70\\42+7g=70\\7g=70-42\\7g=28\\g=\frac{28}{7}=4

Thus, 1 bunch of ornamental grass is $4.

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