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Mekhanik [1.2K]
2 years ago
8

Solve for z: -0.3z=-17.4-2.3z

Mathematics
1 answer:
OleMash [197]2 years ago
7 0

Answer:

z=-8.7

Step-by-step explanation:

-0.3z=-17.4-2.3z

10(-0.3z)=10(-17.4-2.3z)

-3z=-174-23z

20z=-174

z=-8.7

Check:

-0.3z=-17.4-2.3z

-0.3(-8.7)=-17.4-2.3(-8.7)

2.61=-17.4+20.01

2.61=2.61

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