How do I solve 15-4t=3 because when I tried to solve it kept becoming negative and how would it become positive from negative when you divide a positive and a negative because the output between that is always negative?

3 Answers
May 16, 2018

t=3

Explanation:

1. Subtract 15 from both sides first,

15-4t -15 = 3-15" "leaving you with

-4t=-12.

2. Divide by -4 to isolate t .

t=(-12)/-4

3. Answer is t=3

t=3

Explanation:

15-4t=3

15-15 -4t=3 -15

(-4t)/(-4)=(-12)/(-4)

t=3

May 16, 2018

t=3

Explanation:

color(white)(xxxx)15color(blue)(-4t) =3" "larr add 4t to both sides

15-4t+4t = 3color(blue)(+4t)

The term in t is now positive on the right. Isolate it.

15color(white)(xxxxxxx)=3color(blue)(+4t)" "larr subtract 3 from both sides

15-3color(white)(xxxx) = 3+4t-3

12color(white)(xxxxxxx) = 4t" "larr divide by 4

3color(white)(xxxxxxxx)=t