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dimaraw [331]
3 years ago
5

Show the steps to get full credit 3 (2x + 2) = 18 + 4(x - 5)

Mathematics
2 answers:
Ghella [55]3 years ago
7 0

Answer:

x=-4

Step-by-step explanation:

So we have the equation:

3(2x+2)=18+4(x-5)

Distribute the left and the right:

3(2x)+3(2)=18+4(x)+4(-5)

Simplify:

6x+6=18+4x-20

Combine on the right:

6x+6=4x-2

Subtract 4x from both sides. The right cancels:  

(6x+6)-4x=(4x-2)-4x\\2x+6=-2

Subtract 6 from both sides. The left cancels:

(2x+6)-6=(-2)-6\\2x=-8

Divide both sides by 2:

(2x)/2=(-8)/2\\x=-4

Thus, the value of x is -4.

sveta [45]3 years ago
3 0

Answer:

x = -4

Step-by-step explanation:

3(2x + 2)=18 + 4(x - 5)

6x + 6= 18 +4x - 20

6x - 4x = -2-6

2x = -8

x = -4

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dangina [55]

Answer:

In bold.

Step-by-step explanation:

6/6 = 9/a

So a = 9.

6/c = a/4.5

6/c = 9/4.5 = 2

So c = 3.

By similar triangles:

d/5 = 6/ (6+6+3)

d/5 = 6/15 = 2/5

So d = 2.

Also by similar triangles

b/5 = 12/15 = 4/5

So b = 4.

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murzikaleks [220]
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Answer:

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Step-by-step explanation:

8 0
3 years ago
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RideAnS [48]
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