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lisov135 [29]
2 years ago
14

Directions: Solve the following system by the elimination method. 1/5 * x + y = 6/5; 1/10 * x + 1/3 * y = 7/10 Write answer as a

coordinate point. Need help asap
Mathematics
2 answers:
sattari [20]2 years ago
6 0

Answer:

i dont know sorry

Step-by-step explanation:

frosja888 [35]2 years ago
3 0

Step-by-step explanation:

Solve by the elimination method

x/5 + y = 6/5

x/10 + y/3 = 7/10

x + 5y = 6 |×2| 2x + 10y = 12

3x + 10y = 21 |×1| 3x + 10y = 22

__________ -

-x = -10

x = 10

x + 5y = 6

10 + 5y = 6

5y = 6 - 10

5y = -4

y = -4/5

Solution → (x,y) = (10 , -4/5)

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Answer:

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3 years ago
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What is the solution to the equation 6n+7=55
weeeeeb [17]

Answer:

n = 8

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

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

6n + 7 = 55

<u>Step 2: Solve for </u><em><u>n</u></em>

  1. Subtract 7 on both sides:                    6n = 48
  2. Divide 6 on both sides:                       n = 8

<u>Step 3: Check</u>

<em>Plug in n into the original equation to verify it's a solution.</em>

  1. Substitute in <em>n</em>:                    6(8) + 7 = 55
  2. Multiply:                               48 + 7 = 55
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Here we see that 55 does indeed equal 55.

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3 years ago
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