Question

Solve the equation 5 - 5z = 15

Answer 1

Answer:

$z=-2$

Step-by-step explanation:

$5 - 5z = 15$

Subtract 5 from both sides:-

$5-5z-5=15-5$

$-5z=10$

Divide both sides by -5:-

$\frac{-5z}{-5}=\frac{10}{-5}$

$z=-2$

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Answer 2

Answer:

z=-2

Step-by-step explanation:

5-5z=15

-5z=15-5

-5z=10

z=10/-5

z=-2