Answer:
B
Step-by-step explanation:
2a+45=180
subtract 45 from both sides which equals 2a=135
divide both sides by 2 which would solve for a.
Answer:
d. m+ 3 = 15
Step-by-step explanation:
it explains you have to add m to 3 so it can't be m + 15. also, its says equals to 15 so 15 will be after the equal sign.
hope this helped... branliest please :)