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x = 1 + 2

Calculer x

x = 3

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x : = 3

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Linear Equation

x = 1 + 2

Problèmes similaires dans la recherche Web

f

f (0) = 1

f (m + n + 1) = f (m) + f (n)

m, n

f (x) = 1 + x

x

https://math.stackexchange.com/questions/2496547/f-is-continuous-f0-1-fmn1-fmfn-for-all-real-m-n-show-that

If you make a translation

g (x) = f (x - 1)

the problem reduces to finding all continuous functions

g

g (1) = 1

g (x + y) = g (x) + g (y)

x, y

. The second of these makes

g

What does it mean to divide a complex number by another complex number?

https://math.stackexchange.com/questions/434275/what-does-it-mean-to-divide-a-complex-number-by-another-complex-number

When you divide

a

b

, you're asking "What do I multiply

b

by in order to get

a

?". Multiplying two complex numbers multiplies their magnitudes and adds their phases: So when you divide a ...

Find the tangent plane to the surface with parametric equations

x = u^{2}, y = v^{2}, z = u + 2 v

s (1, 1, 3)

https://math.stackexchange.com/questions/2529343/find-the-tangent-plane-to-the-surface-with-parametric-equations-x-u2-y-v2-z

You have two options to write the equation of the tangent plane. It is the span of the two independent tangent vectors, so parametrically, it's

r = r_{0} + s r_{u} + t r_{v} .

When multiplying and then dividing by a number in modular arithmetic which is a factor of the mod p, why is p not reduced yielding more solutions?

https://math.stackexchange.com/questions/2104368/when-multiplying-and-then-dividing-by-a-number-in-modular-arithmetic-which-is-a

What is basically happening here is that you are discarding information about

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7 x \equiv 3 m o d 12

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Find the point of intersection of the line and surface

https://math.stackexchange.com/questions/380576/find-the-point-of-intersection-of-the-line-and-surface

Your method is entirely correct, but as noted in the comment above, you may pick up unwanted solutions. Your point

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Find value of sum of reciprocals of powers of a number

https://math.stackexchange.com/q/1055740

Your edit with the proof that

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x=3

Additionner 1 et 2 pour obtenir 3.

Exemples

Équation du second degré

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

4 sin θ cos θ = 2 sin θ

Équation linéaire

y = 3 x + 4

699 * 533

[2534] [2 - 1 0135]

Équation simultanée

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

Différenciation

\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}