Most important rule of Pre- algebra and algebra, do the opposite operation.
So what you do is subtract 3/8 to isolate the variable. 1/2 = 4/8 so just do 4/8-3/8 and get 1/8 so m = 1/8
I’ll chose 4 months so you’re guaranteed too have enough to rent the instrument
I think it is d I am not sure but i guess it's D
Answer:
-13=5+x, rearrange the terms.
-x=5+13, add.
-x=18, invert the sign.
x=-18
2 pairs of paralell sides