Question

Resolva:
x × 9 + 5 × 2 = 1

Answer 1

x = -1

Explicação:

x × 9 + 5 × 2 = 1

9x + 10 = 1

9x = 1 - 10

9x = -9

x = -1

Answer 2

Resposta:

x= x . 9 = 9x

x= 5. 2= 10

x= 9x+10=1

x= 19x= 1

x= 19÷1

x= 19