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4 years ago

Which expressions are equivalent to 12r-5?

Mathematics

1 answer:

NikAS [45]4 years ago

3 0

Answer:

The first answer(A) ans the second one(B)

Step-by-step explanation:

A. I did the operations in the parenthesis first and then did the distributive property. I then simplified.

6(2r+(-1))+1

6(2x-1)+1

12x-6+1

12x-5

-4(2+(-3r))+3

-4(2-3r)+3

-8+12r+3

12r-5

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3 years ago

) It has been estimated that 53% of all college students change their major at least once during the course of their college car

Ymorist [56]

Answer:

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Step-by-step explanation:

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3 years ago

An eye doctor tracks the prescriptions of six patients. They are as follows: -2.5, +0.25, -1.25, -1.5, +1.25, +0.5. What is the

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3 years ago

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Solve for x: 20 = 3x -1

Feliz [49]

20=3x-1

move -1 to the other side

sign changes from -1 to +1

20+1=3x-1+1

20+1=3x

21=3x

divide both sides by 3 to get x by itself

21/3=3/3x

Cross out 3 and 3, divide by 3 and then becomes 1*1*x=x

21/3=x

Answer:

x=7

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3 years ago

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