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son4ous [18]
3 years ago
12

How do I solve 2x-3y=12 step by step?

Mathematics
1 answer:
anzhelika [568]3 years ago
4 0

Answer:

Step-by-step explanation: •Subtract 2x from both sides of the equation.

-3y = 12 - 2x

•Divide each term by -3y = 12 - 2x by -3.

-3y/-3 = 12/-3 + -2x/-3

•Cancel the common factor of -3.

12/-3 + -2x/-3

•Divide y by 1.

y = 12/-3 + -2x/-3

•Simplify each term.

•Divide 12 by -3.

y = -4 + -2x/-3

•Dividing two negatives values results in a positive value.

y = -4 + 2x/3

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Step-by-step explanation:

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3 years ago
64 + {40 ÷(4 - 7 + 8)} - 10 solve this clearly​
slega [8]

Answer:

62

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
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  6. Addition
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Step-by-step explanation:

<u>Step 1: Define expression</u>

64 + [40 ÷ (4 - 7 + 8)] - 10

<u>Step 2: Evaluate</u>

  1. Brackets - Parenthesis - Subtract:          64 + [40 ÷ (-3 + 8)] - 10
  2. Brackets - Parenthesis - Add:                 64 + [40 ÷ 5] - 10
  3. Brackets - Divide:                                    64 + 8 - 10
  4. Add:                                                          72 - 10
  5. Subtract:                                                   62

And we have our final answer!

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3 years ago
Find the distance between the two numbers on a number line . -2.2,8.4
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Answer:

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Step-by-step explanation:

To find the difference between 2 numbers, subtract the bigger one from the smaller one. In this case, 8.4-(-2.2) = 8.4 + 2.2 = 10.6

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Answer:

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Step-by-step explanation:

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