2 years ago

Help plz:))) I’ll mark u brainliest ASAP!!!

Mathematics

2 answers:

ss7ja [257]2 years ago

7 0

Answer:

x=10

Step-by-step explanation:

3x-20=10

add 20 to both sides

3x=30

divide 3 both sides

end with x=10

Slav-nsk [51]2 years ago

5 0

Answer:

x=10

Step-by-step explanation:

it's a equilateral triangle So its every sides are equal

So the equation is

3x-20=10

=>3x=10+30

=>3x=30

=>x=30/3

therefore

x=10

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