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IgorLugansk [536]
3 years ago
11

How do you do this math??

Mathematics
1 answer:
Elis [28]3 years ago
3 0

Answer:

9.6

Step-by-step explanation:

10 = 8

12 = x

then simply solve for x

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3 years ago
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X + 1 / 8 y = 2 0 x + 1 / 4 y = 4
UkoKoshka [18]

Answer:

Is that the question

Step-by-step explanation:

No seresly is that the question

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3 years ago
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What is 8(2x+5)=16x+40?
polet [3.4K]

Answer:

x = infinite amount of solutions

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>

8(2x + 5) = 16x + 40

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

  1. Distribute 8:                                  16x + 40 = 16x + 40
  2. Subtract 40 on both sides:          16x = 16x
  3. Divide 16 on both sides:               x = x

Here we see that <em>x</em> does indeed equal <em>x</em>.

∴ <em>x</em> has an infinite amount of solutions.

3 0
3 years ago
Is (1, 3) a solution to the system of inequalities below?
Oxana [17]
<h3>Substitute and Check:</h3>

y > 2x + 1 \\ 3 > 2(1) + 1 \\ 3 > 3 \\ false

<h3>We can stop here and conclude that ( 1 , 3 ) is not a solution to this system, since it does not even satisfy the first equation, but check for the other one just in case:</h3>

y <  - 3x \\ 3 <  - 3(1) \\3 <  - 3 \\ also \: false

8 0
2 years ago
I need helppppppp plzzzzz
Norma-Jean [14]

Answer:

Step-by-step explanation:

4x + 15 = 3

Subtract 15 from both sides

4x + 15 - 15 = 3 - 15

4x = -12

Divide both sides by 4

4x/4 = -12/4

x = -3

Check:

substitute x = -3 in the LHS of the  equation,

4*(-3) + 15 = -12 + 15

                 = 3 = RHS

6 0
3 years ago
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