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3 years ago

9

Given f(x) = -3x + 5, solve for x when f(x) = -4

2 answers:

Ainat [17]3 years ago

7 0

Answer:

<em>3</em>

Step-by-step explanation:

<em>Given </em><em> </em>

<em>f(</em><em>x</em><em>)</em><em> </em><em>=</em><em> </em><em>-</em><em> </em><em>3x </em><em>+</em><em> </em><em>5</em><em> </em>

<em>f(</em><em>x</em><em>)</em><em> </em><em>=</em><em> </em><em>-</em><em> </em><em>4</em><em> </em>

<em>-</em><em>3</em><em>x</em><em> </em><em>+</em><em> </em><em>5</em><em> </em><em>=</em><em> </em><em>-</em><em> </em><em>4</em><em> </em>

<em>-</em><em> </em><em>3x </em><em>=</em><em> </em><em>-</em><em> </em><em>4</em><em> </em><em>-</em><em> </em><em>5</em><em> </em>

<em>-</em><em> </em><em>3x </em><em>=</em><em> </em><em>-</em><em> </em><em>9</em><em> </em>

<em>x </em><em>=</em><em> </em><em>3</em><em> </em>

<em>Hope </em><em>it </em><em>will </em><em>help </em><em>:</em><em>)</em>

Nonamiya [84]3 years ago

4 0

Answer:

x=3

Step-by-step explanation:

i believe it's like this, i am not sure

Y= -3x +5

-4= -3x+5

subtract 5 on both sides

-9= -3x

divide -3 on both sides

x=3

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Aleonysh [2.5K]

Answer:

The answer is C

Step-by-step explanation:

Let's solve your equation step-by-step.

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Step 1: Simplify both sides of the equation.

4(x−2)=6x+18

(4)(x)+(4)(−2)=6x+18(Distribute)

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4x−8=6x+18

Step 2: Subtract 6x from both sides.

4x−8−6x=6x+18−6x

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Step 3: Add 8 to both sides.

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Step 4: Divide both sides by -2.

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Answer:

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3 0

2 years ago

A public swimming pool that holds 45,000 gallons of water is going to be drained for maintenance at a rate of 100 gallons per mi

crimeas [40]

Answer:

450 minutes

Step-by-step explanation:

Given

w = 45000 - 100t

Required

Determine how long it'll take to empty the pool

Being empty means there's no water in the pool.

So, we have to set w to 0 to get the value of t

i.e w = 0

Substitute 0 for w in w = 45000 - 100t

0 = 45000 - 100t

Collect Like Terms

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Answer:

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Step-by-step explanation:

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