the quadrilateral shown has angles of x, 79, 3x and 97 work out the value of x

The sum of the measures of any quadrilateral is 360 degrees so we add, set equal to 360 then find x. 

x+79+3x+97=360 
4x+176=360 
4x+176-176=360-176 
4x=184 
(4x)/4=184/4 
x=46 

:)