The sum of the angle measures of a quadrilateral is 360∘. Write and solve an equation to find the value of x. the three nubers are 100 100 120

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality