Question

y=5x-20 x=30 then the value of y is​

Answer 1

Answer:

y=5*30-20

=150-20

y=130

Answer 2

Answer:

$y = 5x - 20 \\ \\ now \: put \: value \: of \: x \: \: in \: given \: equation \\ \\ y = 5(30) - 20 \\ \\ y = 150 - 20 \\ \\ y = 130$