Answer:
x=12
Step-by-step explanation:
move the 3 to the other side to get x by itself.
check: 12 + 3 = 15
Answer:
x=2
Step-by-step explanation:
i took the quiz
Answer:
49/4
Step-by-step explanation:
x² -7x +(7/2)²=(x-7/2)²
x²-2x·7/2+ (7/2)²=(x²-7/2)²
(7/2)²=49/4
Answer:
13abc + 4ad - 168bc
I don't know if you wrote the problem down right correct me if I'm wrong, please!