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erma4kov [3.2K]
4 years ago
7

Solve 5+2/3(9x+3)=10 for x.

Mathematics
1 answer:
timama [110]4 years ago
8 0
5+2=7

Multiply each side by 3.

7(9x + 3) = 30

Expand the brackets

63x + 21 = 30

Subtract both sides by 21

63x = 9

Divide both sides by 63

X = 1/7

( always sub answers back in to question to make sure it’s right )
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Chandresh is helping his father paint the fence in their back yard. The fence is represented by the shaded part of the diagram b
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B. The total area painted is 864; they must buy two cans of paint.

Step-by-step explanation:

Step 1:

A rectangle's area can be calculated by multiplying its length and its width. The wall is made up of 5 different types of rectangular walls. All walls are 8 feet tall but the length varies.

Step 2:

The area of the 20 feet long wall = (length)(width)= (20)(8) =160,

The area of the 10 feet long wall = (length)(width)= (10)(8) =80,

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Step 3:

If one paint can covers 500 square feet,

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4 years ago
Solve this system by elimination 5x=y+6;5x+2y=3
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4 0
3 years ago
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