Question

If t + 7 = -20, find the value of -3t + 1.​

Answer 1

Explanation:

t + 7 = -20

t=-20-7

t=-27

-3t + 1

=-3×(-27)+1

=81+1

=82

Answer 2

Explanation:

$given \\ t + 7 = - 20 \\ t = - 20 - 7 \\ t = - 27 \\ substituting \: this \: value \: in \: thesecond \: equation \\ - 3 \times - 27 + 1 \\ 81 + 1 \\ 82$

So the answer is 82