3 years ago

Help me please !!!!!!!

Mathematics

2 answers:

iragen [17]3 years ago

7 0

Answer:

z= -4

Step-by-step explanation:

Anestetic [448]3 years ago

3 0

Answer:

3z+9=1-z

collect like terms

3z+z=1-9

4z=-8

divide both sides by 4

z=-4

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