2 years ago

Solve for x ? I don’t understand this

1 answer:

3 0

It’s A
this is my explanation

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Tcecarenko [31]

Answer: Olga's solution is incorrect

x + 7x is the same as 1x + 7x

7x2 is the same as 7x. x

x + 7 x simplifies to 8x

Step-by-step explanation:

3 0

3 years ago

lukranit [14]

3 (x+7)
multiply 3 to both x and 7
3x+21

3 0

2 years ago

grandymaker [24]

Answer: -4/5 or -0.8

Step-by-step explanation:

m= change in y / change in x

-4/ 5

8 0

2 years ago

fgiga [73]

Answer:

x = 31, x = 19

Step-by-step explanation:

$(x-25)^2=36\\\sqrt{(x-25)^2}=\sqrt{36}\\x-25=6 or -6\\\\x-25=6\\x=31\\\\x-25=-6\\x=19$

5 0

2 years ago

Misha Larkins [42]

It took about 5.3 hours

8 0

2 years ago