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nalin [4]
3 years ago
12

2x+3y=12 how do I solve?

Mathematics
1 answer:
vredina [299]3 years ago
8 0
<span>For y 2x+3y=12 Subtract 2x 3y=-2x+12 Divide both sides by 3 y=-2/3x+4 (or 12/3)
For x </span><span>2x+3y=12 subtract 3y 2x=-3y+12 divide both sides by 2 x=-3/2y+6 (or 12/2)</span>
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Which expressions are equivalent?
storchak [24]
The answer is A.) 3x-7y and -7y+3x
This is due to "3x" implies the value is positive, or "+3x", and -7y remains -7y.
So, we have 3x-7y and -7y+3x.

I hope this helps!
4 0
2 years ago
Read 2 more answers
You are a contractor and charge $65 for a site visit plus an additional $15 per hour for each hour you spend working at the site
tatiyna

Answer:

54.6 hours

Step-by-step explanation:

65x2 is 130 130-950 is 820 then 820 divided by 15 is 54.6 therefore meaning you have to work 54.6 hours to get 950$ you can check this by doing 54.6x15+130, might not be exact because i rounded to the nearest tenth.

Hope this helps!

8 0
2 years ago
HELP ASAP
iris [78.8K]

Answer:

177

Step-by-step explanation:

just answered this for someone else but the number of sit-ups is going up in 4s so just add four to 33 7 times since thats how many days she has left til 12th day

8 0
2 years ago
Solve 15 ≥ -3x or 2/5 x ≥ -2.
ipn [44]

Answer:

x ≥ -5

Step-by-step explanation:

15≥-3x

<em>switch sides</em>

<em>-3x≤15</em>

<em>Multiply both sides by -1 (reverse the inequality)</em>

<em>(-3x)(-1)≥15(-1)</em>

<em>Simplify</em>

<em>3x≥-15</em>

<em>Divide both sides by 3</em>

<em>3x/3≥ -15/3</em>

<em>Simplify</em>

<em>x≥ -5</em>

6 0
3 years ago
I need estimate then record the product
creativ13 [48]
Round and then see what the number you have too add, subtract , multiply, and divide and then you would find the answer
8 0
2 years ago
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