---
title: Algebra – spremenljivke, izrazi in enačbe
description: "Nauči se osnove algebre: spremenljivke, koeficiente, izraze, enačbe in osnovne operacije."
url: https://astra-ai.co/sl/videos/algebra/
locale: sl
type: video-topic
keywords:
  - algebra
published: 2026-10-01T18:15:54.805Z
updated: 2026-10-01T18:15:54.805Z
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# Algebra

> Algebra je temelj naprednejše matematike: spremenljivke, koeficienti, izrazi in enačbe omogočajo splošno reševanje problemov.

Algebra je temelj za razumevanje naprednejših matematičnih pojmov in se uporablja v številnih znanstvenih in tehničnih vedah.

## Osnovni pojmi algebre

- **Spremenljivke:** simboli (pogosto $x$, $y$, $z$), ki predstavljajo neznane ali splošne vrednosti.
- **Koeficienti:** števila, s katerimi množimo spremenljivke (npr. v $3x$ je 3 koeficient).
- **Konstante:** fiksna števila, ki se ne spreminjajo (npr. 5 v $3x + 5$).
- **Izrazi:** kombinacije spremenljivk, koeficientov in konstant z operacijami (npr. $2x + 3y - 5$).
- **Enačbe:** enakosti dveh izrazov (npr. $2x + 3 = 7$), ki jih rešujemo za neznanke.

## Osnovne operacije

- **Seštevanje in odštevanje:** $x + y$, $y - z$.
- **Množenje:** $3x$, $2y$.
- **Deljenje:** $x/y$.

## Zaključek

Osnovno razumevanje algebre je nujno za nadaljnje matematično izobraževanje ter uporabo v znanosti, inženirstvu in ekonomiji.