Question

Resolva as equações

2/5x-5/2+1/4=5/12*

Answer 1

Explicação passo a passo:

2.5x-5.2+1.4=5.12

5x-5.2+1.4=5.13=5.12÷2

5x.2+1.4=5.12÷2-5

5x+1.4=5.12÷2-5÷2

5x.4=5.12÷2-5÷2

5x=5.12÷2-5÷2

5x=60÷2-5÷2

5x=30-5÷2

5x=25÷2

5×= 12,5

X= 2,5