Answer:
x = 15
Step-by-step explanation:
3x = 45
x = 45/3
<em><u>x = 15</u></em>
5x+2y=12 5x+2y=12
5x-2y=28 5(4)+2y=12
2y=12-20
10x=40 2y=-8
x=40/10 y=-8/2
x=4 y=-4
Answer:
18i\sqrt{x} 7\\
Step-by-step explanation:
the answer is 18i in front if the root square an 7 goes inside it
Answer: 20+x
Step-by-step explanation:
Let's petend that x=20
when we add that it us 40 so that means that martha has 40 oreos
this was answer by an unknowed sic grader
Answer:

Step-by-step explanation:
We start off with 3.2n + 13.3 = 26.1.
We need to get n by itself.
Subtract 13.3 from both sides.


We end up with: 
Divide 3.2 on both sides to get n by itself.
