Answer:
x = 360/7
Step-by-step explanation:
the sum of 3x and 2/4x is supposed to be 180 degrees.
1.- write it as an equation.
3x + 1/2x = 180
2.- Combine like terms.
3x + 1/2x = 7/2x
7/2x = 180
3.- divide.
180 / 7/2 = 360/7
