Answer:
2.) x=8
3.) option C
Step-by-step explanation:
#2.) 4x+4=9x-36
you take 4x from both sides. 4=5x-36
add 36 to both sides 40=5x
simplify 8=x
x=8
#3.) 7x+5=4x+5+3x
7x+5=7x+5 simplify
take 7x from both sides 5=5
take 5 from both sides 0=0
infinite amount of answers
