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dybincka [34]
3 years ago
10

How do you simplify 4x + 2y +2x - 7y +8 - 5x -2

Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
8 0

Answer: x-5y+6

Step-by-step explanation: combine like terms

4x+2x-5x=x

2y-7y=-5y

8-2=6

xz_007 [3.2K]3 years ago
7 0

Answer:

x-5y-10

Step-by-step explanation:

collect like terms

(4x+2x−5x)+(2y−7y)+(−8−2)

then simplify

x-5y-10

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Answer:

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fiasKO [112]

Answer: x=32

Step-by-step explanation:

\frac{1}{8}x+8=12

subtract 8 on both sides

\frac{1}{8}x+8-8=12-8

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multiply 8 on both sides

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8 0
3 years ago
Identify the values a, b, and c is the first step in using the quadratic formula to find the solution(s) to a quadratic equation
zlopas [31]

The values are a = 7, b = -9, c = -18.

<u>Step-by-step explanation:</u>

The given quadratic equation is 7x^{2} - 9x = 18

The general form of the quadratic equation is ax^{2} + bx + c = 0

where,

  • a is the coefficient of x².
  • b is the coefficient of x.
  • c is the constant term.

Now, you have to modify the given quadratic equation similar to the general form of quadratic equation.

So, bring the constant term 18 to the left side of the equation for equating it to zero.

⇒ 7x^{2} - 9x - 18 = 0

Compare the above equation with general form ax^{2} + bx + c = 0

⇒ a = 7

⇒ b = -9

⇒ c = -18

Therefore, the values of a, b, and c are 7, -9 and -18.

7 0
4 years ago
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If The diameter of a circle is 14 yards.what is the circles circumference
amm1812

Answer:

14π yards^2, or 43.98^2 yards rounded to 2dp

Step-by-step explanation:

circumference = diameter x π

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