Question

1. Z+(-2)+5=18

2. 32=16-(-7)+C

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Answer 1

Respuesta:

$1)Z+(-2)+5=18 \\ Z - 2 + 5 = 18 \\ Z + 3 = 18 \\ Z = 18 - 3 \\ Z = 15$

$2)32=16-(-7)+C \\ 32 = 16 + 7 +C \\ 32 = 23 +C \\32-23=C \\ 9=C$