Answer:
7
Step-by-step explanation:
Listing the factors of each number is one way, that is
factors of 35 : 1, 5, 7, 35
factors of 42 : 1, 2, 3, 6, 7, 14, 21, 42
The common factors are 1 and 7
The GCF is therefore 7
-2
5n+3= -10
5n = -13
n = -13/5
= -2.6
question is integer
so answer is -2
35.63
18-6=12
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