Answer:
x=5
Step-by-step explanation:
Step 1: Subtract 3x from both sides.
6x−3−3x=3x+12−3x
3x−3=12
Step 2: Add 3 to both sides.
3x−3+3=12+3
3x=15
Step 3: Divide both sides by 3.
3x/3=15
x=5
Answer:
x=-3
Step-by-step explanation:
step 1:
3x+9=3*[x+3]
step 2:
solve 3=0
step 3:
solve x+3+0
-3 -3
anwser: x= -3
