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Anestetic [448]
2 years ago
8

Find the sum −1/2(7z+4)+15(5z−15)

Mathematics
2 answers:
nlexa [21]2 years ago
7 0

Answer:\frac{143x-453}{2}

sattari [20]2 years ago
4 0

Answer: \frac{143x - 453}{2}

Step-by-step explanation:

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Step-by-step explanation:

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