Answer: x= 20
Step-by-step explanation:
If m and n are parallel then the 3x and 2x+20 has to have the same measures which means they have to equal each other . So set them equal each other and solve for x.
2x + 20 = 3x
-2x -2x
20 = 1x
x= 20
Step-by-step explanation:



Answer:
y=4x+9
Step-by-step explanation:
replace m with 4, which is the slope you gave, and
replace b with 9, the y-intercept you gave,
in the equation y=mx+b.
Answer:
A
Step-by-step explanation:
The steps are correct! You want to get x terms on one side, numbers on the other side. You can do that by adding or subtracting both sides of the number or term you want to move.
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Answer:
3+log2(7/9)
Explanation: