3 years ago

Find the perimeter. Simplify your answer. 7z+5 22-1 32-9 62+3

Mathematics

1 answer:

True [87]3 years ago

5 0

(7z + 5) + (2z - 1) + (6z + 3) + (3z - 9) =

= 7z + 5 + 2z - 1 + 6z + 3 + 3z - 9 =

= 7z + 2z + 6z + 3z + 5 - 1 + 3 - 9 = 18z - 2

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