Respuesta :

StarDolly07

Answer:

10 = 10

Step-by-step explanation:

x + 3 = 10

Substitute 7 in for x

7 + 3 = 10

Add

10 = 10

jgrider0324

Answer: no wrong cause in order to get 7 as x=7 you need to do x+2=10 cause x+3=4 so that would be wrong

Step-by-step explanation: x=3=10 x=7

x+3=4x=10

4x-10=6

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good job