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Leno4ka [110]
3 years ago
13

Solve the equation: 5x + 5 = 0

Mathematics
2 answers:
olga_2 [115]3 years ago
5 0

Answer:

x = -1

Step-by-step explanation:

Isolate the variable (x). Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

PEMDAS = Parenthesis, Exponents (& roots), Multiplication, Division, Addition, Subtraction.

First, subtract 5 from both sides

5x + 5 = 0

5x + 5 (-5) = 0 (-5)

5x = 0 - 5

5x = -5

Next, divide 5 from both sides

(5x)/5 = (-5)/5

x = -5/5

x = -1

-1 is your answer for x.

~

Igoryamba3 years ago
3 0

Answer:

x = -1

Step-by-step explanation:

5x + 5 = 0

Subtract 5 from each side

5x+5-5 = 0-5

5x = -5

Divide by 5 on each side

5x/5 = -5/5

x = -1

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Base of a cube is a square, and in the given figure it's stated that the measure of each side is " x " ft

Therefore it's Area is equal to : -

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  • x \times x

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Now, since it's Area is given as 1/4 ft², let's equate the Areas to find the measure of each side ~

that is ~

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It's time to find the volume of cube that is ~

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So, let's plug the value of side length (1/2 ft)

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The answer is (-∞.∞).

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So if we have x≤0  or  x≥−4 then we're basically saying x is any real number. To write this in interval notation, we write (−∞,∞)

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