Question

Solve the equation :-
19 = 7z - 2z

Answer 1

19=7z-2z

Rewrite the problem to have the variable at the left

7z-2z=19

Subtract

5z=19

Divide the both side of the equation by 5.

5z/5=19/5

Cancel 5 from the numerator and the denominator and be left with "z".

z=19/5

To have your answer in mixed fraction

z=3 4/5)

To have your answer in decimal divide

z=3.8

Answer 2

Question:-

Solve the equation :-

19 = 7z - 2z

Answer:-

3.8 = z

Step-by-step explanation:-

=> 19 = 7z - 2z

=> 19 = 5z

=> 19/5 = z

=> 3.8 = z