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41 votes
41 votes
Find x

K (7x + 217
47
M

Find x K (7x + 217 47 M-example-1
User Rudolf Manusachi
by
2.7k points

1 Answer

9 votes
9 votes

Answer:

x=16

Explanation:

The opposite angles will always be supplementary

<K + < M = 180

47+ 7x+21 = 180

Combine like terms

7x+68 = 180

Subtract 68

7x = 180-68

7x = 112

Divide by 7

7x/7 = 116/7

x =16

User Craftrac
by
3.2k points