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motikmotik
2 years ago
5

52 + 3x = 5(−x + 9) − 49 solve for x

Mathematics
1 answer:
Tems11 [23]2 years ago
3 0

Answer:

x = -7

Step-by-step explanation:

52 + 3x = -5x + 45 - 49

8x = -56

x = -7

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5x-(x+1)=5-2x i dont understand what to do. Plz help
Vlada [557]

Answer:

x=1

Step-by-step explanation:

5x-(x+1)=5-2x

distribute

5x-x-1 = 5-2x

4x-1 = 5-2x

add 2x on each side

4x-1+2x = 5-2x+2x

6x -1 = 5

add 1 on each side

6x-1+2 = 5+1

6x = 6

divide by 6

6x/6 = 6/6

x = 1

6 0
3 years ago
I'll name you the BRAINIEST if you can answer this.The scale factor for a model is 18 cm
bezimeni [28]

Answer:

  32.625 m

Step-by-step explanation:

You have the proportion ...

  18 cm : ___ m = 22.4 cm : 40.6 m

This can be rearranged to ...

  ___ m/(18 cm) = (40.6 m)/(22.4 cm)

Multiplying by 18 cm gives ...

  ___ m = (40.6 m)·(18/22.4)

  ___ m = 32.625 m

6 0
3 years ago
If a rectangular painting is 3 feet long and 5/6 foot wide what is the area of the painting
natka813 [3]

Answer:

A = 2 1/2 ft^2

Step-by-step explanation:

The area of a rectangle is given by

A = l*w

A = 3 * 5/6

A = 5/2 ft^2

A = 2 1/2 ft^2

3 0
3 years ago
Read 2 more answers
Attachment Mathswatch!!
inna [77]

Answer:

y=3x+1

Step-by-step explanation:

y=mx+c

Gradient is 3

Rise/run=3/1=3

Y intercept=1

y=3x+1

4 0
3 years ago
Read 2 more answers
Which of the following is equal to the expression listed below?
olya-2409 [2.1K]

Answer:

27 + 36 = 63

A. (9 + 3)(9 + 4) = 12 × 13 = 156

B.  9(3 + 4) = 9 × 7 = 63

C. 9 + (3 × 4) = 9 + 12 = 21

D. (9 × 3)(9 × 4) = 27 + 36 = 63

Option B and D

8 0
3 years ago
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