Question

please give me the answer fast
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Answer 1

Answer:

i didn't understand this question

Answer 2

Answer:

i. -2

ii. 7/2 or 3.5

iii. 9/11

Step-by-step explanation:

i. 4x-4-x+10=0

4x-4-x=-10

4x-x= -10+4

3x=-6

x= -6/3

x=-2

ii. 5a+5-7a+2=0

5a-7a = -5-2

-2a = -7

2a = 7

a= 7/2 or 3.5

iii. 15-4b-6-7b=0

16-6 = 4b + 7b

9 = 11b

b= 9/11