Convey would be a good Synonym for signify
x(angle1)+(3x-5)(angle 2)=143(sum of both angles).
x+3x-5=143
combine like terms: 4x-5=143
add 5 to both sides: 4x=148
divide both sides by 4: x=37
substitute for x: angle 1=37, angle 2= 106
In that sentence severely would mean to the extreme like without the word severely added in there the sentence would change
The answer is: She is revealing a difference between her viewpoint and Andrea’s.