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Leno4ka [110]
3 years ago
5

How do i solve for X 2x+4-7x+9x= -2 What is X?

Mathematics
1 answer:
Verizon [17]3 years ago
7 0

Answer:

x = -3/2  or  -1.5

Step-by-step explanation:

You have to get X on one side by itself.

2x + 4 - 7x + 9x = -2

Subtract the 4

2x - 7x + 9x = -6

Combine like terms

-5x + 9x = -6

Combine like terms

4x = -6

Divide by 4

x = -6/4

Simplify

x = -3/2  or  -1.5

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A spring stretches to 22 cm with a 70 g weight attached to the end. With a 105 g weight attached, it stretches to 27 cm. Which e
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It’s late! Please help me asap!
Ede4ka [16]

Answer:

D. x = 6

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>Trigonometry</u>

  • [Right Triangles Only] Pythagorean Theorem: a² + b² = c²

Step-by-step explanation:

<u>Step 1: Identify Variables</u>

Leg <em>a</em> = 8

Leg <em>b</em> = <em>x</em>

Hypotenuse <em>c</em> = 10

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

  1. Substitute [PT]:                    8² + x² = 10²
  2. Isolate <em>x</em> term:                      x² = 10² - 8²
  3. Exponents:                           x² = 100 - 64
  4. Subtract:                               x² = 36
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3 years ago
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What's the answer? please help
dolphi86 [110]

Answer:

The x pattern goes by adding 2 each time; the y pattern goes by adding 6 each time.

Slope formula: y/x

= 6/2

= 3

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