Question

a) 2×-18=12-4×

b) 2(-×+3)=3(×-4)​

Answer 1

Resposta:

A) 5

B)18/5

Explicação passo-a-passo:

a) 2×-18=12-4×

• 2x+4x=12+18
• 6x= 30
• x=30/6= 5

b) 2(-×+3)=3(×-4)

• -2x+6=3x-12
• 12+6=3x+2x
• 18=5x
• x=18/5