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cricket20 [7]
3 years ago
7

5(x + 8) + x + y, given that x = 3 and y = 30

Mathematics
2 answers:
melomori [17]3 years ago
8 0

Answer: 88

Step-by-step explanation:

5(3+8)+3+30

5 x 11 + 33

55+33

=88

zhuklara [117]3 years ago
7 0

Answer:88

Step-by-step explanation:

Given, x=3 & y=30

So, 5(3+8)+3+30 = 5(11)+3+30 = 88

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Answer:

(1, 3)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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  2. Parenthesis
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  4. Multiplication
  5. Division
  6. Addition
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<u>Algebra I</u>

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Step-by-step explanation:

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

y = 3

y = -3x + 6

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

  1. Substitute in <em>y</em>:                                                                                                 3 = -3x + 6
  2. [Subtraction Property of Equality] Subtract 6 on both sides:                      -3 = -3x
  3. [Division Property of Equality] Divide -3 on both sides:                                1 = x
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<u>Step 3: Solve for </u><em><u>y</u></em>

  1. Define original equation:                                                                               y = -3(1) + 6
  2. Multiply:                                                                                                           y = -3 + 6
  3. Add:                                                                                                                 y = 3
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