nicolasshubin4 nicolasshubin4

12-03-2017
Mathematics

contestada

Fran solved the equation 42 = x + 23 . Although her final answer was correct, she could have found it in a simpler way. Which sentence best explains why?

Respuesta :

12-03-2017

He just have to do a substraction.

42 = x +23
42 - 23 = x
19 = x
x= 19

That's simple !

Hope this helps !

Photon

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dkatelynn dkatelynn

12-03-2017

Well to find the answer you could subtract 42 and 23 , which equals 19. Then check your work by adding 19+23 which equals 42 . Therefore , 42= 19 + 23

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