SOLUTION: find z if 3z-19=173-wang

Question 12564: find z if 3z-19=173-wang

Found 3 solutions by maribeth_abella, MathGrace, uksraj:
Answer by maribeth_abella(11)   (Show Source): You can put this solution on YOUR website!
3z - 19 = 173
3z = 173 + 19
3z = 192
z = 192/3
z = 64
Answer by MathGrace(6)   (Show Source): You can put this solution on YOUR website!
To solve any equation, you can use PEMDAS (Order of Operations) backwards. First get rid of any subtraction and addition.
Add 19 to both sides. 3z-19+19=173+19 --> 3z=192
Then get rid of any multiplication and division.
Divide both sides by 3. 3z/3=192/3 --> z=64
Finally, plug your answer back in to make sure you did it right.
3(64)-19=192-19=173 We have the right answer! :-)
Answer by uksraj(9)   (Show Source): You can put this solution on YOUR website!
3z-19=173
adding both sides 19 to get rid of 19
3z-19+19=173+19
3z=192
z=192/3
=62
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