Measure of interior angles of a triangle are (x+10∘),(x+40∘) and (2x−30∘). What is the value of x?

Measure of interior angles of a triangle are (x+10∘),(x+40∘) and (

1.	Measure of interior angles of a triangle are (x+10∘),(x+40∘) and (2x−30∘). What is the value of x?
Answer» Measure of interior angles of a triangle are $(x + 10^{\circ}), (x + 40^{\circ})$ and $(2 x - 30^{\circ})$ . What is the value of x?