Answer:
9
Step-by-step explanation:
Let's first convert this to numbers. When a number is decreased by a certain amount, that is the same as saying that something is subtracted from it. Therefore:
a-7=2
Add 7 to both sides:
a-7+7=2+7
a=9
Hope this helps!
I believe it b I am sorry if iam wrong
Answer:
Step-by-step explanation:
move constant to the right and change the sign
X=12-8
X=4
Answer:
y = -8/3 x - 11
Step-by-step explanation:
