Answer:
x = -18
Step-by-step explanation:
Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other.
Multiply 2 to both sides:
(x/2) * 2 = (-9) * 2
x = -9 * 2
x = -18
x = -18 is your answer.
~
The difference means subtract
5y means product or 5 times y
5y - 15
Round to the nearest significant number
275,000,000 = 2.75^8
2.75^8 is your answer
hope this helps
B subtract 18 from both sides
