Selesaikan 3x+x=8 | Microsoft Math Solver

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3 x + x = 8

Selesaikan untuk x

x = 2

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Linear Equation

3 x + x = 8

Masalah Sama dari Carian Web

How do you prove that the limit of

(3 x + 2) = 8

as x approaches 2 using the epsilon delta proof?

https://socratic.org/questions/how-do-you-prove-that-the-limit-of-3x-2-8-as-x-approaches-2-using-the-epsilon-de

δ (ϵ) = \frac{ϵ}{3}

∣ f (x) - L ∣ = ∣ 3 x + 2 - 8 ∣ = 3 ∣ x - 2 ∣

3 x + 5 = 8

https://www.tiger-algebra.com/drill/3x_5=8/

3x+5=8 One solution was found : x = 1 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : ...

3 x + x = 180

https://www.tiger-algebra.com/drill/3x_x=180/

3x+x=180 One solution was found : x = 45 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : ...

3 x 2 + x = 0

http://www.tiger-algebra.com/drill/3x2_x=0/

3x2+x=0 Two solutions were found : x = -1/3 = -0.333 x = 0 Reformatting the input : Changes made to your input should not affect the solution: (1): "x2" was replaced by "x^2". Step by ...

What is the derivative of

f (x) = ∣ 2 x ∣

https://www.quora.com/What-is-the-derivative-of-f-x-2x

y= f(x) = |2x|= 2|x|

\frac{d}{d x} 2 ∣ x ∣

Δ x \to 0 lim \frac{∣ x + Δ x ∣ - ∣ x ∣}{Δ x}

Δ x \to 0 lim \frac{( ∣ x + Δ x ∣ - ∣ x ∣ ) ( ∣ x + Δ x ∣ + ∣ x ∣ )}{Δ x ( ∣ x + Δ x ∣ + ∣ x ∣ )}

Kongsi

Disalin ke papan klip

4x=8

Gabungkan 3x dan x untuk mendapatkan 4x.

x=\frac{8}{4}

Bahagikan kedua-dua belah dengan 4.

x=2

Bahagikan 8 dengan 4 untuk mendapatkan 2.

Contoh

Persamaan kuadratik

x^{2} - 4 x - 5 = 0

4 sin θ cos θ = 2 sin θ

Persamaan linear

y = 3 x + 4

699 * 533

[2534] [2 - 1 0135]

Persamaan serentak

{8 x + 2 y = 46 7 x + 3 y = 47

\frac{d}{d x} \frac{( 3 x ^{2} - 2 )}{( x - 5 )}

\int_{0}^{1} x e^{- x^{2}} d x

x \to - 3 lim \frac{x ^{2} - 9}{x ^{2} + 2 x - 3}