What is the measure of angle x? enter your answer in the box. m∠x= ° a triangle with the angles eighty two degrees, thirty seven degrees and x degrees

How do i do this? i don’t understand

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle