Please solve 1. 5z+7=-5-z 2. 3/2x+1=x+4

Answers (1)

1.

5z + 7= - 5 - z

5z + z = -5 - 7

6z = -12

z = -2

 

2.

3/2x+1=x+4

1.5x + 1 = x + 4

0.5x = 3

x = 6

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