-7 + 56x = 105
56x = 105 + 7
56x = 112
x = 2
Answer:
406 pieces. If you multiply 58 times 7 you get 406. 406 divided by 58 is 7.
We have an equation: 56/? = 4/100
Cross multiply:
4*? = 56*100
⇒ ? = 56*100/4 = 1,400
There are 1,400 blank days~
D. (x-14)(x+14)
a negative and a positive multiplied makes a negative outcome so -14•+14=-196. x•x is = to x^2