Question

solve: −3x − 5 = 16

Answer 1

x = -7

Answer 2

You have to add 5 to both sides

Answer 3

-3x=16+5
-3x=21
x=-21/3
x=-7

Answer 4

3x + 5 +16 = 0
3x = -21
x = -7

Answer 5

then divide that by negative 3

Answer 6

-3x-5=16
-3x=16+5
-3x=21
\[\frac{ -3x }{ -3 }=\frac{ 21 }{ -3 }\]
x=-7