Answer:
C.
Step-by-step explanation:

add 10 to both side
so...

divide by -5 so, the sign flips because multiplying or dividing with a negative number changes the sign.
30/5=6
Answer:
No solution
Step-by-step explanation:
6x + 1 = 6x - 8
-6x -6x
1 ≠ -8
Answer:
no
Step-by-step explanation:
Distance between two points, d, is given by

where: (x1, y1) = (2, 2) and (x2, y2) = (5, 5)
We use the equation 2x+8x=50.
10x=50
x=5
The rectangle will be 20 cm long and 5 cm wide.
Hope this helps!