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3 years ago

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

Mathematics

1 answer:

ratelena [41]3 years ago

4 0

I’m working on something like that now

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What is the slop-intercept of the line that passes through the points (7,-5) and (3,-9)?

bagirrra123 [75]

$\bf (\stackrel{x_1}{7}~,~\stackrel{y_1}{-5})\qquad (\stackrel{x_2}{3}~,~\stackrel{y_2}{-9}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-9-(-5)}{3-7}\implies \cfrac{-9+5}{-4}\implies \cfrac{-4}{-4}\implies 1 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-(-5)=1(x-7) \\\\\\ y+5=x-7\implies y=x-12$

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4 years ago

Antonio used 16 1/3 cups of flour to make banana bread. The recipe for one loaf of banana bread calls for 2 1/3 cups of flour. W

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3 years ago

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Evaluate x2y for x = -3 and y = 2

padilas [110]

-3*2*2 = - 12
Multiply all to get the answer

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4 years ago

Solve the following equation. Show all your work.

horrorfan [7]

$\dfrac{x}{x - 2} + \dfrac{x - 1}{x + 1} = -1$

$(x - 2)(x + 1) \times \dfrac{x}{x - 2} + (x - 2)(x + 1) \times \dfrac{x - 1}{x + 1} = -1(x - 2)(x + 1)$

$(x + 1)x + (x - 2)(x - 1) = -1(x - 2)(x + 1)$

$x^2 + x + x^2 - 3x + 2 = -x^2 + x + 2$

$3x^2 - 3x = 0$

$3x(x - 1) = 0$

$x = 0~~~or~~~x - 1 = 0$

$x = 0 ~~~ or ~~~ x = 1$

Since neither 0 nor 1 cause a zero in a denominator in the original equation, 0 and 1 are acceptable as solutions.

Answer: x = 0 or x = 1

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3 years ago

What x value solves the equation? 3x - 5 = 1 x=

strojnjashka [21]

Answer:

x = 2

Step-by-step explanation:

Step 1: Write equation

3x - 5 = 1

Step 2: Solve for x

Add 5 to both sides: 3x = 6
Divide both sides by 3: x = 2

Step 3: Check

Plug in x to verify it's a solution.

3(2) - 5 = 1

6 - 5 = 1

1 = 1

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3 years ago

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-2(x + 3) = -2(x + 1) - 4​

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