Question

c) 5x - 7 - 2x - 2 = 0​

Answer 1

Resposta: =3

Explicação passo-a-passo:

( 3 x - 7 ) - 2 = 0

3 x - 9 = 0

( 3 ) ⋅ x + ( - 9 ) = 0

x =- ( - 9 )3

x = -( 3 )⋅ ( - 3 )( 3 )= 3