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svp [43]
3 years ago
5

-6=x/8+4 what is the value of x?

Mathematics
1 answer:
taurus [48]3 years ago
6 0

Answer:

  -80

Step-by-step explanation:

Subtract 4:

  -10 = x/8

Multiply by 8:

  -80 = x

The value of x is -80.

_____

This sort of equation is sometimes referred to as a "two-step" linear equation.

<u>Step 1</u>. After you identify the term containing the variable (x/8), you identify any constants on the same side of the equal sign (+4). Add their opposite to both sides of the equation. That gets the variable term by itself.

<u>Step 2</u>. Then identify the coefficient of the variable (1/8). Multiply both sides of the equation by the reciprocal of this value. That will make the coefficient of the variable become 1. The constant on the other side of the equal sign is now the value of the variable.

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Please help don’t understand
sergejj [24]

Answer:

x=35

Step-by-step explanation:

2x+15+2x-10+x=180

combine factors

5x+5=180

-5 from both sides

5x=175

divide 175/5x

x=35

8 0
2 years ago
Write the quadratic equation in standard form:<br> 7x + 8 + 2x2<br> 2x + 1 + x2
JulsSmile [24]

Answer:

3x^2 + 9x  +9

Step-by-step explanation:

Given

(7x + 8 + 2x^2) + (2x + 1 + x^2)

Required

The result in standard form

We have:

(7x + 8 + 2x^2) + (2x + 1 + x^2)

Remove brackets

7x + 8 + 2x^2 + 2x + 1 + x^2

Collect like terms

7x+ 2x  + 8 + 1 + 2x^2+ x^2

9x  + 9+ 3x^2

The standard form of a quadratic equation is:

ax^2 + bx + c

So, we have:

9x  + 9+ 3x^2

3x^2 + 9x  +9

5 0
2 years ago
What is the HCF of 2 x y and 6 x y?
Neko [114]
<u>(2 x y) </u>is a factor of (6 x y), so it's the highest common factor of both expressions.
4 0
3 years ago
Read 2 more answers
Which equation represents this function?
klio [65]
It is c 
i hope this helps

7 0
3 years ago
The value of a car purchased for $20,000 decreases at a rate of 12% per year. What will be the value of the car after 3 years? W
kari74 [83]

Answer:

$13,629.44

Step-by-step explanation:

Value of car after 3 years is:

V = $20,000(1.00-0.12)^3, or

     $20,000(0.88)^3 = $13,629.44

4 0
2 years ago
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