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satela [25.4K]
2 years ago
13

Y = 3x-2 estimate the value of x when y=3

Mathematics
1 answer:
jok3333 [9.3K]2 years ago
5 0

Answer:

x = 5/3

General Formulas and Concepts:
<u>Algebra I</u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify given.</em>

y = 3x - 2

y = 3

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

  1. [Equation] Substitute in <em>y</em>:
    3 = 3x - 2
  2. [Addition Property of Equality] Add 2 on both sides:
    5 = 3x
  3. [Division Property of Equality] Divide 3 on both sides:
    5/3 = x
  4. Rewrite:
    x = 5/3

∴ the value of <em>x</em> when <em>y</em> = 3 is equal to 5/3, or approximately 1.67.

---

Learn more about Algebra I: brainly.com/question/27710551

---

Topic: Algebra I

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r = 39/13 = 3

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117 /39 = 3

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7 0
3 years ago
Can someone please let me know if these are the correct answers
Lostsunrise [7]

1. x >= 4, because 4 is dotted, and that means that 4 is included

2. x =/ 4, the third answer is correct, because all numbers except 4 are included

3. the first number line is the correct answer, because -3 is not included

4. the second number line is the correct answer, because -1 is included

5. the second number line is the correct answer, because 6 is not included

6. the first number line is the correct answer, because 0 is included

7. the second number line is the correct answer, because all numbers except -4 are included

8. the third number line is the correct answer, because -1,5 is included

When a number is included in an interval, it should have full dot on the number line, so that's how you know.

Hope this helps!

8 0
3 years ago
Six less than five times a number is three more than twice the number.
nignag [31]

Answer:

5x - 6 -3= 2x

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
HELP PLEASE
nordsb [41]

Answer:

<h3>perpendicular line:    y = -¹/₆ x + 4¹/₃ </h3><h3>  parallel line:              y = 6x - 45 </h3>

Step-by-step explanation:

y=m₁x+b₁   ⊥   y=m₂x+b₂   ⇔    m₁×m₂ = -1

{Two lines are perpendicular if the product of theirs slopes is equal -1}

y = 6x - 7   ⇒   m₁=6

6×m₂ = -1        ⇒    m₂ = -¹/₆

 

The line y=-¹/₆ x+b passes through point (8, 3) so the equation:

3 = -¹/₆ ×8 + b must be true

3 = -⁴/₃ + b

b = 4¹/₃

Therefore equation in  slope-intercept form:

                                                     y = -¹/₆ x + 4¹/₃

y=m₁x+b₁   ║   y=m₂x+b₂   ⇔    m₁ = m₂

{Two lines are parallel if  their slopes are equal}

y = 6x - 7   ⇒   m₁=6   ⇒   m₂=6

The line y=6x+b passes through point (8, 3) so the equation:

3 = 6×8 + b must be true

3 = 48 + b

b = -45

Therefore equation in  slope-intercept form:

                                                     y = 6x - 45

7 0
3 years ago
How would you solve #2 and #3?
Pani-rosa [81]
Connect the dots to each other
6 0
3 years ago
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