What is the value of x? Enter your answer in the box. x = Two lines slightly inclined with vertical intersect at the midpoint. The left and right angles made by these lines are obtuse. The right obtuse angle is labeled left square bracket 5 left parenthesis x minus 4 right parenthesis right square bracket degrees. The left obtuse angle is labeled left parenthesis 4 x plus 7 right parenthesis degrees.