Question

Resolva as equações.
a) x + 15 = 24

b) 9x = 63

Answer 1

Simples

a) x = 24-15 = 9

b) 9x =63

 x = 7

Answer 2

a)
x + 15 = 24
  
x = 24- 15

x = 9

b)
9x = 63

x = 63/9

x = 7