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Georgia [21]
3 years ago
7

Solve: a. 5y – 3 = – 18 b. -3x – 9 = 0 c. 4 + 3(z - 8) = -23 d. 1 – 2(y – 4) = 5

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
3 0

Answer:

a. y = -3

b. x = -3

c. z = - 1

d. y = -7

Step-by-step explanation:

a. 5y - 3 = - 18

5y = -18 +3

5y = -15

y = -15/5

y = - 3

b. -3x - 9 = 0

-3x = 9

x = 9/-3

x = -3

c. 4 + 3(z-8)= -23

4 + 3z-24 = -23

3z - 20 = -23

3z = -23 + 20

3z = -3

z = -3/3

z = - 1

d. 1 - 2(y-4) = 5

1 - 2y + 8 = 5

9 - 2y = 5

-2y = 14

y = 14/-2

y = -7

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