2 years ago

PLEASE HELP ME I WILL DO ANYTHING!!!

Mathematics

1 answer:

ioda2 years ago

5 0

Answer:

x=11

Step-by-step explanation:

the angles shown are supplementary so they will add up to equal 180 so we write the equation 180=5x+10x+15 and solve for x

step 1 combine like terms

180=15x+15

step 2 subtract each side by 15

165=15x

step 3 divide each side by 15

x=11

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