Question

if 3 X + 7 is equal to 1 then the value of 5 x + 13 is​

Answer 1

$3x + 7 = 1$

$3x = 1 - 7$

$3x = - 6$

$x = - 2$

Find : 5x+13

$5x + 13$

$5( - 2) + 13$

$- 10 + 13$

$= 3$

3 is the answer