Question

a)× +11=30

b)9.× +14=59​

Answer 1

Olá!

a)

$x+11=30\\\\x+11-11=30-11\\\\x=19$

b)

$9x+14=59\\\\9x+14-14=59-14\\\\9x=45\\\\\frac{9x}{9}=\frac{45}{9}\\\\x=5$

Espero ter ajudado, tenha boas aulas!