Answer:
Step-by-step explanation:
So for the first one 8x is similar to -2x so you put them together and get 6x and posiative 17 and -9 are similar so you put those together and get 8 so the first eqaution is 6x+8 and for the second one 7y and 10y are similar also know as like terms so you put those together and get -3y becuase the seven is before the 10y and so the equation is -3y+11
Wats the underlined digit
Answer:
= 13x - 1
Step-by-step explanation:
(3x - 2)*2 + 7x + 3
= 6x - 4 + 7x + 3 (using distribution)
= 13x - 4 + 3 (combine similar x terms)
= 13x - 1 (combine all other similar terms)
Answer:

Step-by-step explanation:

Answer:
16 children
Step-by-step explanation:
80% of 20 children comes out to 16 children who are of age 5.
If desired, rewrite "80%" as "0.80" and use that 0.80 as the multiplier of 20:
0.80(20 children) = 16 children.