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EastWind [94]
3 years ago
12

Which equation has solution x=-3? 2x - 7= -1 3x + 8 = 1 x+8 = 10 17- (2x - 6) = -6

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
8 0

Answer:

2x-7=-1

Step-by-step explanation:

2x - 7 = -1

    +7.   +7

-------------------  

2x= 6

/2    /2

-------------------

x=3

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Answer:

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Step-by-step explanation:

trust me its correct

4 0
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A cylinder has a volume of 245 cubic units and a height of 5 units. the diameter of a cylinder is?
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If I helped, help me out by making this answer the brainliest.
3 0
3 years ago
Write an equation of the line in standard form.
Andreyy89

Answer:

Ok to make this easier for us we should switch these equations into y=mx+b so that it's easier for us to identify the slope and y-intercept:

to switch into y=mx+b form do this:

3x-y=5

-y=5-3x

y=-5+3x

y=3x+(-5)

2y-15x=8

2y=8+15x

y=4+7 1/2x

y=7 1/2x+4

THe slope of any line in y=mx+b form is m. Therefore in this equation:

y=3x+(-5)     3 is the slope

The y intercept of any line is the +b:

y=7 1/2x+4 -therefore 4 in this equation is our y intercept.

Now we can construct our equation in y=mx+b then into standard form (Ax+By=C)

since 3 is our slope and 4 is our y intercept the equatuon is :

y=3x+4

NOw all we need to do is move this into standard form:

y=3x+4

-3x+y=4

-3x+y=4 is your final answer

-hope this helped

Step-by-step explanation:

8 0
3 years ago
Solve.
4vir4ik [10]
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