Question

3x + 15 = 45 .solve this​

Answer 1

Answer:

3x + 15 = 45

3x=45-15

=30

3x=30

x=10

Answer 2

Answer:

${\green {\huge{\underline{\boxed{\red{{ \mathscr{ A \bf { nswer}}}}}}}}}$

3x + 15 = 45

3 + 15 = 45 ÷ x

45 ÷ 15

= 3

x = 3