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Anvisha [2.4K]
3 years ago
6

3x + 7 = 4xhelp me to solve it​

Mathematics
2 answers:
Georgia [21]3 years ago
7 0

Answer:

x=7 because since there is 3 already +7 equals 4 then 7 is x

Leona [35]3 years ago
3 0
3x+7=4x
Move the 3x to the other side
7= 4x-3x
7=x
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calculate the population density of a city that occupies 2,968.7 sq.miles and has 302,143 people. Round to the nearest person pe
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1. Divide the number of people by the area

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4 0
3 years ago
A line passes through the point (-8, 2) and has a slope of -1
Zanzabum

Answer:

y=-x-6

Step-by-step explanation:

Plug this into the equation y-y1=m(x-x1) where m is the slope. We know that it passes through (-8,2) so y1=2 and x1=-8. We also know that the slope is -1 so we can now fill in the equation. y-2=-1(x--8). We can change x--8 to x+8 so y-2=-1(x+8). Simplify this to get y-2=-x-8. You want to isolate y so you have to add 2 on both sides. y=-x-6. Therefore, the equation is y=-x-6.

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4 0
3 years ago
Identify the mistake:
Andrews [41]
Should have subtracted 3x
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3 years ago
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