Answer:
12 days
Step-by-step explanation:
420/35 to find amount of days to finish book
420/35 = 12
Answer:
obj?
Step-by-step explanation:
Answer:
x=17
Step-by-step explanation:
8x+20=11x-31
We simplify the equation to the form, which is simple to understand
8x+20=11x-31
We move all terms containing x to the left and all other terms to the right.
+8x-11x=-31-20
We simplify left and right side of the equation.
-3x=-51
We divide both sides of the equation by -3 to get x.
x=17
Step-by-step explanation:
1. A symbol that you can use to represent unknown or changeable quantities