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Flura [38]
3 years ago
9

4(2.5)^2x = 4 The value of x?

Mathematics
1 answer:
gladu [14]3 years ago
4 0

Answer:

x=0

Step-by-step explanation:

If x is 0, then 2x becomes 0. (2.5)^0 would then be 1. 4*1 would give 0 so x=0.

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How can you use properties to solve equations with a variable on both side so of the equal sign?
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Solving equations with a variable on both sides requires multiple steps. Let's look at how to solve one using properties step by step.



Example 1: 100 - 4x = 16x



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Using the addition property of equality, let's add 4x to both sides, we get.



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4 0
3 years ago
-6(w+2)=w-9+3(3w+1)<br>solve for w.​
r-ruslan [8.4K]

Answer:

w = -3/8

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 Equation</u>

-6(w + 2) = w - 9 + 3(3w + 1)

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

  1. Distribute:                         -6w - 12 = w - 9 + 9w + 3
  2. Combine like terms:         -6w - 12 = 10w - 6
  3. Add 6w to both sides:     -12 = 16w - 6
  4. Isolate <em>w</em> term:                  -6 = 16w
  5. Isolate <em>w</em>:                           -3/8 = w
  6. Rewrite:                             w = -3/8
7 0
3 years ago
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