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Liono4ka [1.6K]
3 years ago
11

4. What is the solution to the equation

Mathematics
1 answer:
muminat3 years ago
8 0

Answer:

A. x = -40

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>

-3.5(x + 12) = -2x + 18

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

  1. Distribute -3.5:                              -3.5x - 42 = -2x + 18
  2. Add 3.5x on both sides:               -42 = 1.5x + 18
  3. Subtract 18 on both sides:           -60 = 1.5x
  4. Divide 1.5 on both sides:              -40 = x
  5. Rewrite:                                         x = -40
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