Ecuaciones y valor numérico

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Explicación del desarrollo del tema.

Expresiones algebraicas
Ecuación y valor numérico

2x+6 = 8.
2x2+6+y = 8

- Si 𝑎 = −2 y 𝑏 = 4, el valor de la expresión a + b es:

- Si a = 2 ¿a cuánto equivale la expresión 3a – 1?

Si x = 3 y y = 2 ¿es posible escribir la igualdad 2x + 4 = 7y – 4?
Comprobación

Ejemplo: Resolver la ecuación, 𝟐𝐱 − 𝟐 + 𝟑𝐱 = 𝟒𝐱 + 𝟑
Comprobación:

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Ecuaciones y valor numérico

1. Expresiones algebraicas Ecuación y valor numérico

2. 2x+6 = 8. 2x2+6+y = 8

3. - Si 𝑎 = −2 y 𝑏 = 4, el valor de la expresión a + b es:

4. - Si a = 2 ¿a cuánto equivale la expresión 3a – 1?

5. Si x = 3 y y = 2 ¿es posible escribir la igualdad 2x + 4 = 7y – 4? Comprobación

6. Ejemplo: Resolver la ecuación, 𝟐𝐱 − 𝟐 + 𝟑𝐱 = 𝟒𝐱 + 𝟑 Comprobación: