Question

solve this question
21=28-7x​

Answer 1

Answer:

$\bold{21 = 28 - 7x}$

$\bold{21 - 28 = - 7x}$

$\bold{ - 7 = - 7x}$

$\bold{ \cancel { - }7x = \cancel{ - }7}$

$\bold{x = 1}$

Therefore, x= 1 is the solution for the given equation