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Ratling [72]
3 years ago
11

Can some one help me with this​

Mathematics
2 answers:
Sliva [168]3 years ago
8 0

Answer:

x = 20

Step-by-step explanation:

first, you would take all of the angles and add them up to 180

2x+40+100=180

second, we combine like terms

2x+140=180

third, we solve for x

2x+140=180

    -140  -140

2x=40

x=20

i hope this helps!

GalinKa [24]3 years ago
6 0

Answer:

X=20

Step-by-step explanation:

the total angle degree of a triangle is always 180 so we have two point 100 and 40 add those and you get 140 so you have 40 left but that angle says 2 X so 2x is 40 so ÷ 2 to get 1x which is 20

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