Classify the equation $23 + 19 = 3(5z - 9) + 8z + 46$ and state its solution.

Conditional equation; solution is $z=1$

Identity; solution is all real numbers

Conditional equation; solution is $z=-1$

Classify the equation $18(s - 1) + 29 = 47$ and state its solution.

Conditional equation; solution is $s=2$

Identity; solution is all real numbers

Conditional equation; solution is $s=1$

Identity; solution is all real numbers

Conditional equation; solution is $d=0$

Conditional equation; solution is $d=1$

Identity; solution is all real numbers

Conditional equation; solution is $y=0$

Conditional equation; solution is $y=1$

Identity; solution is all real numbers

Conditional equation; solution is $c=0$

Conditional equation; solution is $c=5$