what is 3t+4=t+13 and 2(3n+7)=8?

Question

i just dont get it

Answer 1

3t+4=t+13
3t+4-4=t+13-4
3t=t+9
3t-t=t-t+9
2t=9
t=9/2

2(3n+7)=8
6n+14=8
6n+14-14=8-14
6n=-6
n=-1

Answer 2

3t + 4 = t + 13
3t + 4 - t = t - t + 13
2t + 4 = 13
2t + 4 - 4 = 13 - 4
2t = 9
2t / 2 = 9/2
t = 9/2
t = 4.5

2(3n + 7) = 8
2(3n) + 2(7) = 8
6n + 14 = 8
6n + 14 - 14 = 8 - 14
6n = -6
(6n) / 6 = -6 / 6
n = -1

Answer 3

3t + 4 = t + 13

3t + 4 - t = t + 13 - t

2t + 4 = 13

2t + 4 - 4 = 13 - 4

2t = 9

2t/2 = 9/2

t = 9/2

t = 4 1/2

t = 4.5

- - - - - - - - -

2(3n + 7) = 8

6n + 14 = 8

6n + 14 - 14 = 8 - 14

6n = - 6

6n / 6 = - 6 / 6

n = - 6/6

n = - 1

Answer 4

3t+4=t+13
-t -t
2t+4=13
-4 -4
2t= 9
t=9/2

2(3n+7)=8
6n + 14 =8
-14 -14
6n = -6
n=-1

Answer 5

i assume u r trying to find t and n.

3t + 4 = t +13 minus t on both sides
2t+ 4 = 13 substract 4 from both sides
2t = 9 divide by 2 to get t
t = 4.5

2(3n + 7)=8 multiply out brackets
6n + 14 = 8 minus 14 from both sides
6n = -6 divide by 6 to get n
n = -1

I hope this helps

Answer 6

Get the numbers on one area of the equals and the unknown on the different. So 3t + 4 = t + 13 turns into 3t - t =13 - 4 (once you regulate sides, you regulate indications) hence 2t = 9 t = 4.5