11=20-3z

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Solution for 11=20-3z equation:


Simplifying
11 = 20 + -3z

Solving
11 = 20 + -3z

Solving for variable 'z'.

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

Add '3z' to each side of the equation.
11 + 3z = 20 + -3z + 3z

Combine like terms: -3z + 3z = 0
11 + 3z = 20 + 0
11 + 3z = 20

Add '-11' to each side of the equation.
11 + -11 + 3z = 20 + -11

Combine like terms: 11 + -11 = 0
0 + 3z = 20 + -11
3z = 20 + -11

Combine like terms: 20 + -11 = 9
3z = 9

Divide each side by '3'.
z = 3

Simplifying
z = 3

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