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evaluate the expression for the given value of x

1. 2+x+(-7);x=8


2. x+7+(-7);x=4 ​


Sagot :

Answer:

1. 3               2. 4

Step-by-step explanation:

1. 2+8+(-7)

2+8-7

3

2. 4+7+(-7)

4+7-7

4

Answer:

x =-1

Step-by-step explanation: