3 over 2 y minus 3 plus 5 over 3 y=6 and z=3

y = 6 ---> 23/3

y = 3 ---> 19/2

Step-by-step explanation:

3/2y - 3 + 5/3

3/2(6) - 3 + 5/3

9 - 3 + 5/3

6 + 5/3

23/3  

 2. y = 3

3/2y - 3 + 5/3

3/2(3) - 3 + 5/3

9/2 - 3 + 5/3

3/2 + 5/3

19/2

x = 10.1

step-by-step explanation:

all of the angles of a tirangle add up to 180º

180 - 65 = 115 (since we already know the value of one angle)

(2x + 7) + (8x + 7) = 115

(combins like terms) 10x + 14 = 115

(isolate the variable subtract 14 from both sides): 10x = 101

(find the variable divide both sides by 10): x = 101/10

x = 10.1