What is -5x+(-2)=-2x+4

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

To prove that angle def = angle dgf by sas, what additional information is needed? def congruent to dgf dfe congruent to dfg de congruent to dg dg congruent to gf

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge