Question

3Z+4(Z-3) -2 =0 solve this problem​

Answer 1

Answer:

If you want to calculate value of Z, then

open brackets.

3Z + 4Z-12 - 2 = 0

Now solve like terms

(3+4)Z + (-12-2) = 0

7Z -14 = 0

Add 14 both sides,

7 Z -14 +14 = 0+14

7Z = 14

Z = 14/7

Z = 2.