Answer:
0
Step-by-step explanation:
Answer:
add 2x to both sides
Step-by-step explanation:
-x+2y=-10
2y=x-10
y=1/2x-5
This is an EQUATION, because it has a left side, a right side, and an = sign separating the two.
An EXPRESSION does not has "sides" and no = sign.
Answer:1/16807
Step-by-step explanation:
(7^-8)(7^3)
7^(-8+3)
7^(-5)
1/(7^5)
1/(7x7x7x7x7)=1/16807
Answer:
b
Step-by-step explanation: