2 (11 - z)
The expression is:
14 - 3z + 8 + z
Collect like terms ( That is, rearrange the expression)
14 + 8 - 3z + z
22 - 2z
Since 2 is a factor of 22 and 2z, 2 can be factorized out of the expression to become:
2 ( 11 - z)
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