Question

pls answer this fast because my exams are coming i have to read​

Answer 1

Hope it helps:-

(1) x+5=9

x=9-5

x=4

(2) y-12=-5

y = -5+12

y = 7

(3) 3x+4 = 19

3x = 19-5

3x = 15

x = 5

(4) 9z = 81

z = 81/9

z = 9

(5) 3x+8 = 5x + 2

3x-5x = 2-8

-2x = -6

x = 3

(6) 5y+20 = 4y-10

5y-4y = -10-20

y = -30

Answer 2

Step-by-step explanation:

this is your answer ...hope it helps