Answer:
Step-by-step explanation:
five times a number increased by nine is
5x+9
x is the unknown number being multiplied by 5
increase= add
so add by 9
Answer:
15 installments
Step-by-step explanation:
3900 = Σ 
400 - 20*(n - 1)
Answer:
y=-7
Step-by-step explanation:
-2=y+5
-7=y
Equality between the values, equations, or expressions written on both sides.
Answer:
x = -24
Step-by-step explanation:
We gotta get rid of that 3 under x, so we multiply the reciprocal of 1/3, which is 3, if we multiply that on one side, we must also multiply on the other side.
3 · x/3 = -8 · 3
x = -24
Hope this helps! good luck on whatever you're doing :]
