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lorasvet [3.4K]
3 years ago
8

Please due ASAP Show workings

Mathematics
1 answer:
VashaNatasha [74]3 years ago
3 0

Answer:

C

Step-by-step explanation:

Alright so for this one they want us to find the x values of angle 3 and angle 5 and those 2 angles happen to be supplementary meaning that the two angles will add up to equal 180. So to setup the equation we do

180 = 5x+10+3x+10

step 1 combine like terms ( 5x +3x and 10 + 10)

180 = 8x +20

step 2 subtract each side by 20

160 = 8x

step 3 divide each side by 8

x=20

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