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RESOLVEMOS ECUACIONES

Resuelve los siguientes problemas planteando las ecuaciones.

a) Un número disminuido en 42 es igual a 28. ¿Cuál es el número?

Sagot :

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Final answer:

To find the number in the problem presented, x is represented as the unknown number. By setting up the equation x - 42 = 28, adding 42 to both sides allows us to determine x's value as 70.


Explanation:

To solve the problem, we need to represent the situation with an equation. Let's denote the number as x. The equation will be: x - 42 = 28. By adding 42 to both sides, we find the value of x to be 70.


Learn more about Solving equations here:

https://brainly.com/question/17595716


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