Answer :

zlovecoding

Answer:

z = 8

Step-by-step explanation:

4z - 15 = z - 3 + z + 4

4z - 15 = 2z + 1

1. Solve for z

4z - 15 = 2z + 1

2z - 15 = 1

1 + 15 = 16 / 2 = 8

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