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Artyom0805 [142]
2 years ago
7

Find x. (The picture has the info)

Mathematics
1 answer:
qwelly [4]2 years ago
7 0

Answer:

X=5

Step-by-step explanation:

3x+9 is twice of 12 (24). 24-9=15, and 3*5=15, so x=5.

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Simplify 3+7x-(2+9x)
viva [34]

Answer:

-2x + 1

Step-by-step explanation:

3 + 7x - (2 + 9x)

Distribute the negative:

3 + 7x - 2 - 9x

Combine like terms:

-2x + 1

8 0
3 years ago
Please answer this question now in two minutes
Igoryamba

Answer: x=6, y=20

Step-by-step explanation:

Since ΔBCD and ΔTUS are congruent triangles, we can set the sides equal to each other.

y=2y-20                           [subtract both sides by 2y]

-y=-20                              [divide both sides by -1]

y=20

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

3x+32=9x-4                    [add both sides by 4, and subtract both sides by 3x]

36=6x                              [divide both sides by 6]

x=6

7 0
2 years ago
-3 (n + 6) + 10 = -83 I NEED HELP ASAP!!!!!!!
Marina CMI [18]

Answer:

n=25

Step-by-step explanation:

-3n-8=-83

-3n-8+8=-83+8

-3n=-75

n=25

7 0
3 years ago
8 times the difference between a number and 6 is equal to 4 times the number.
iVinArrow [24]
8(x - 6) = 4x
Distribute.
8x - 48 = 4x
Subtract 8x from both sides.
8x -8x - 48 =4x -8x
Now you have...
-48 = -4x
Divide -4 by both sides.
-48/-4 = -4x/-4
12 = x
The number is 12.
8 0
2 years ago
Read 2 more answers
Is the point (-3,2) part of the solution set to the system y < -4x - 3, x + 8y > 7
gregori [183]

Answer:

Yes

Step-by-step explanation:

If you replace each x with -3 and each y with 2 you get:

1) 2<-4*(-3)

2<12

True

2) -3+8*2>7

13>7

True

Therefore the point is part of the solution set

7 0
3 years ago
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