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Xelga [282]
1 year ago
13

What value of b will make thr solution for the equation below be 5?4(bx-3)=8(x-2)Can someone please help me out? I really don't

understand this.
Mathematics
1 answer:
FromTheMoon [43]1 year ago
5 0

For this kind of problem is nneded to replace a letter b by a numerical value. Thne find the missing variable x .

then replace b = 5 in equality

4(5x - 3) = 8 ( x-2)

now eliminate parenthesis, by PEMDAS method

4•5x - 3•4 = 8x - 8•2

20 x - 12 = 8x - 16

now reorganize letters and numerical values

20x - 8x = -16 + 12

12x = -4

then finally x= -4/12 = -1/3

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Step-by-step explanation:

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Use the distributive property to help you solve the equation.<br> - 6(t + 2) = 18<br> t=
Ede4ka [16]

Answer:

t = -5

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
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  • Left to Right  

Distributive Property

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>

-6(t + 2) = 18

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

  1. [Distributive Property] Distribute -6:                                                             -6t - 12 = 18
  2. [Addition Property of Equality] Add 12 on both sides:                                 -6t = 30
  3. [Division Property of Equality] Divide -6 on both sides:                                t = -5
3 0
3 years ago
5 = y + x and 2y + x = 7 Answer Fast please.
Gennadij [26K]

Answer:

sorry i dont know it

Step-by-step explanation:

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The common ratio of a g.p is 3. given that the 5th term is greater than the first term by 400 what is the fifth term of the g.p.
QveST [7]

Answer:

405.

Step-by-step explanation:

First term = a1

5th tern = a1 r^4

So a1r^4 - a1  = 400       r = 3 so:

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a1(81-1) = 400

80a1 = 400

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Therefore the fifth term =  5* 3^4

= 405.

8 0
3 years ago
Write down notes. Please email me if you want to help me out. email in the comments
Mumz [18]

Answer:

i shall help

Step-by-step explanation:

what do you need help wit?

4 0
3 years ago
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