3z-20=21+2z

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Solution for 3z-20=21+2z equation:


Simplifying
3z + -20 = 21 + 2z

Reorder the terms:
-20 + 3z = 21 + 2z

Solving
-20 + 3z = 21 + 2z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '-2z' to each side of the equation.
-20 + 3z + -2z = 21 + 2z + -2z

Combine like terms: 3z + -2z = 1z
-20 + 1z = 21 + 2z + -2z

Combine like terms: 2z + -2z = 0
-20 + 1z = 21 + 0
-20 + 1z = 21

Add '20' to each side of the equation.
-20 + 20 + 1z = 21 + 20

Combine like terms: -20 + 20 = 0
0 + 1z = 21 + 20
1z = 21 + 20

Combine like terms: 21 + 20 = 41
1z = 41

Divide each side by '1'.
z = 41

Simplifying
z = 41

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