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alexgriva [62]
2 years ago
15

Evaluate when c=5 and d=10 5 x d ÷ c + 2=12

Mathematics
1 answer:
Svetach [21]2 years ago
3 0

Step-by-step explanation:

First we need to remember the rule of PEMDAS and then simplify.

5×10/5+2=12

Multiply

50/5+2=12

Divide

10+2=12

Add

12=12

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0 = 4x + 4 linear equation
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Answer:

x = -1

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</u>

0 = 4x + 4

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

  1. Subtract 4 on both sides:                    -4 = 4x
  2. Divide 4 on both sides:                        -1 = x
  3. Rewrite:                                                 x = -1
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