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3 votes
Pleas help me and can you explain how you got it.

Pleas help me and can you explain how you got it.-example-1
User Humilton
by
4.6k points

1 Answer

9 votes

Answer:

21

Explanation:

straight line = 180 degrees ( H,D,R)

180 = 7x - 3 + 2x - 6

180 = 7x + 2x - 3 - 6 (group the same type number together)

180 = 9x -9 (simplify the numbers)

189 = 9x (+9)

21 = x (divide by 9)

User Jahquan
by
5.1k points