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kumpel [21]
3 years ago
15

Can yall help me with this:)

Mathematics
1 answer:
san4es73 [151]3 years ago
6 0

Answer:

x = 7

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

<u>Geometry</u>

  • All angles in a triangle add up to 180°

Step-by-step explanation:

<u>Step 1: Set up Equation</u>

<em>Every angle must add up to 180°.</em>

(6x - 6)° + 54° + 90° = 180°

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

  1. Combine like terms:                    6x + 138 = 180
  2. Isolate <em>x</em> term:                              6x = 42
  3. Isolate <em>x</em>:                                       x = 7
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