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marishachu [46]
3 years ago
13

Solve for x 4(1-x)+2x= -3(x+1)

Mathematics
1 answer:
Travka [436]3 years ago
8 0

Hey there! Welcome to Brainly! I'm happy to help you!

Let's quickly write our equation below.

4(1-x)+2x=-3(x+1)

To solve this, we want to get the x by itself on one side of the equation so we can see what it equals on the other side. First, we need to get it out of the parentheses. To do this, we will use the <em><u>distributive property </u></em>and multiply the number before the parentheses by both terms inside of it as seen below! :)

4(1)-4(x)+2x=-3(x)-3(1)

4-4x+2x=-3x-3

Now, we need to combine our like terms.

4-2x=-3x-3

Now, we want to get all of our constants (numbers without variables) onto the right side. First, we will subtract four from both sides.

-2x=-3x-7

Now, we will add 3x to both sides.

x= -7

I hope that this helps! Have a wonderful day!

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    4x + 2y = 8     (1)
    8x + 4y = -4y  (2)

A) Two lines are parallel if they have the same gradient
       - putting both equations into the gradient- intercept form ( y = mx + c                where m is the gradient)
            (1) 4x + 2y = 8
                          2y = 8 - 4x
                            y = -2x + 4
             
            (2) 8x + 4y = -4y
      <span>                    </span>8x = -4y - 4y
                            y = \frac{-8x}{-8}
                            y = -x
   <span>Thus the gradient of the two equations are different and as such          the two lines are not parallel
</span>
B)  When two lines are perpendicular, the product of their gradient is -1
                   m_{1} * m_{2} = p
                                             p = (-2) * (-1)
                                             p =  2
<span>          ∴ the two lines are not perpendicular either.</span>

Thus these lines are SKEWED LINES

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Step-by-step explanation:

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5/6

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Answer:

Option A. 30\ days

Step-by-step explanation:

step 1

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The area of the trapezoid is equal to

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step 2

To calculate the number of days, divide the total area of the brownie pan by 30 square centimeters of brownie

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