word problem

Question

In a triangle , the sum of  the interior angles is 180 degree .Find the measure of angle x,  if  the angel y = 43 degrees an angle z = 67 degrees.

 A write the algebraic equatio using the information above.

 B. solve the equation. (show all work)

C. what is the measure of angle x ? (make sure to label your answer)

Answer 1

x = 180 - 43 - 67 = 70 degrees