amartaestere amartaestere

18-05-2016
Mathematics

contestada

What number replaces the ◊?

2 + 7 = 3 + 6
2 + 7 + ◊ = 3 + 6 + 5

A.
2

B.
3

C.
5

D.
6

Respuesta :

Аноним Аноним

18-05-2016

First lets simplify both side of this equation.
2 + 7 + ♢ = 3 + 6 + 5
Subtract 9 from both sides of the equation.
9 + ♢ = 14
Answer (C)
♢ = 5

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