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2 years ago

I need the set up and I'm solving for x, please help.

Mathematics

2 answers:

lawyer [7]2 years ago

7 0

I think it is X equals 20 because there’s 180 degrees I a triangle and 100+40= 140 and you have e 40 remaining and since it’s 2x you do 40 divided by 2 which is 20 do the inverse to check

NemiM [27]2 years ago

6 0

Answer:

100 + 40 + 2x = 180

combine like terms

140 +2x = 180

-140 -140

2x = 40

/2 /2

x = 20

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