Resolviendo ecuaciones lineales en dos pasos usando la propiedad distributiva: $a(x + b) = c$

Now Playing:Es solve linear equations using distributive property – Example 1a

Resuelve:
1. $4\left( {x + 1} \right) = 12$
2. $2\left( {x - 3} \right) = 8$
3. $3(x-9)=45$

a(x+b)=ax+ab

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Resolviendo ecuaciones lineales en dos pasos usando la propiedad distributiva: a(x+b)=ca(x + b) = ca(x+b)=c