Question

Please please help please

Answer 1

Answer:

a. 18 - 7x =-3

18+3=7x

21=7x

x = 21÷7

x =3

b. 3m-1/3 =5

9m-1 whole divided by 3 = 5

9m-1=3×5

9m-1=15

9m = 15+1

9m=16

m=16÷9

c. -8p = 72

p=72÷(-8)

p= (-9)

d. 3(f+4) = 21

3f +12=21

3f= 21-12

3f =9

f = 9÷3

f = 3

mark me as brainlist☺

Answer 2

Answer:

A) 18-7x=-3

7x= - 3+18

7x = 3-18

7x = 15

X = \frac {4}{3} \\

X = 2.14

B)

$3m - 1 = 5 \\ 3m = 5 \: + \frac{1}{3} \\ 3m = \frac{5 + 1}{3} \\ 3m = \frac{4}{3} \\ m = \frac{4}{3} \times 3 \\ m = 4$

C) same thing on c as well as done on b.

D)

$3(f + 4) = 21 \\ (f + 4) = \frac{21}{3} \\ (f + 4) = 7 \\ f = 7 - 4 \\ f = 3$

#Answerwithquality

#BAL