Answer: -2
Step-by-step explanation:
10x -15 = 5
10x = 20
x = 2
This equation has one solution.
The solution would be x = 2
42 is 5% of 840.Calculate it like this 42÷840×100,just try other question it will nelp you.
(x+9)^2+(y-18)^2=36 is the equation in standard form. Hope this helps.~<span>Haяяison</span>