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21 votes
Can you please solve for x

Can you please solve for x-example-1
User Uwe Geuder
by
5.6k points

1 Answer

4 votes

Answer:

x = 39

Explanation:

let [180 - (31 + x)] = 3rd angle inside triangle; simplified is '149 - x'

the (2x - 8) angle and '149 - x' angle are supplementary, thus add to 180

2x - 8 + (149 - x) = 180

2x + (-x) + (-8) + 149 = 180

x + 141 = 180

x = 39

User MattoTodd
by
6.0k points