Answer:

Step-by-step explanation:
Divide both sides by 

Simplify:
; 
No as complementary angles add up to whisk 180 degrees, however supplementary angle would be true for this question
Answer:x=16
Step-by-step explanation:
4x+45=3x+61
Collect like terms
4x-3x=61-45
x=16
A simpler form of this expression would be 19y-9