Question

-3(a-2)+1=28 , howw yu got the answerr

Answer 1

-3a+6+1=28.....-3a=21....a=-7

Answer 2

-3(a-2)+1=28 (distribute the -3 to a and -2)
-3a + 6 + 1 = 28 (add 6 and 1)
-3a + 7 = 28 (subtract 7 from each side)
-7 -7

-3a = 21 (divide -3 from both sides)
/-3 /-3

a = -7

Answer 3

-3(a-2)+1=28
=>-3a+6+1=28
=>-3a +7 =28
=>-3a=21
=>a=21/-3
=>a=-7