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Varvara68 [4.7K]
2 years ago
5

What is the value of x? - (12 – 8x) = 5x +15 – 7x Enter your answer in the box. X=

Mathematics
2 answers:
11Alexandr11 [23.1K]2 years ago
7 0

Answer:

x = 27/10

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>

-(12 - 8x) = 5x + 15 - 7x

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

  1. Distribute negative:                    -12 + 8x = 5x + 15 - 7x
  2. Combine like terms:                   -12 + 8x = -2x + 15
  3. Add 2x on both sides:                -12 + 10x = 15
  4. Isolate <em>x</em> term:                              10x = 27
  5. Isolate <em>x</em>:                                       x = 27/10
Naddika [18.5K]2 years ago
4 0

Answer:

Step-by-step explanation:

-(12-8x)=5x+15-7x

-12+8x=5x+15-7x

8x+7x-5x=15+12

10x=27

x=27/10

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