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Alinara [238K]
3 years ago
14

What is the value of x in the equation 2.5 x + 10 = x minus 0.5? Please answer fast

Mathematics
2 answers:
trapecia [35]3 years ago
8 0

Answer:

x = -7

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

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

2.5x + 10 = x - 0.5

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

  1. Subtract <em>x </em>on both sides:                    1.5x + 10 = -0.5
  2. Subtract 10 on both sides:                  1.5x = -10.5
  3. Divide both sides by 1.5:                     x = -7

<u>Step 3: Check</u>

<em>Plug in x to verify it's a solution.</em>

  1. Substitute:                    2.5(-7) + 10 = -7 - 0.5
  2. Multiply:                        -17.5 + 10 = -7 - 0.5
  3. Add/Subtract:               -7.5 = -7.5

And we have our answer!

Leona [35]3 years ago
3 0
The correct answer is-7
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