3 years ago

Find the value of x. x + 3 12

Mathematics

2 answers:

lyudmila [28]3 years ago

6 0

Answer:

x=9

Step-by-step explanation:

12=x+3

9=x

you set the sides equal to eachother bc they have the same angles!

sdas [7]3 years ago

4 0

Answer:

Step-by-step explanation:

x + 3 = 12 (both sides of triangle are equal, because angles are equal)

x= 12 - 3

x = 9

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