3 years ago

Solve the equation and find the value of the variable

1 answer:

3 0

The sum of the angles should be 180, so x+ (x+10) + (x+5) = 180. This simplifies to 3x + 15 = 180, so 3x = 165, so x=55.

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Step-by-step explanation:

This question can be solved by a rule of three.

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