Question

+2
7y +4 4
3
B(70 + 4) = - 4 + 2)
21y + 12 = - 4y - 8
2 21y + 4y = -8-12
25y - - 20​

Answer 1

Answer:

The question is not properly understandable please write it in correct way

if it is

1)

+2 7y+443

then it is

9y+433 (add)

442y

2)

B(70+40) = -4+2

B 110 = -2

B 110+2

112

3)

21y+12=-4y-8

21+12y=-4y-8 ( like terms)

21+8 = 12-4y

Ans) 29 = 8y