Question

Tìm y : 135+y*9,5+y:0,125=310

Answer 1

Ta có:\(135+y\times9,5+y:0,125=310\)

\(\Rightarrow y\times9,5+y\times8=310-135\)

\(\Rightarrow y\times\left(9,5+8\right)=175\)

\(\Rightarrow y\times17,5=175\)

\(\Rightarrow y=175:17,5\)

\(\Rightarrow y=10\)

Answer 2

<=> y*(9,5+1/0,125)=310-135

<=> y*(9,5+8)=175

<=> y*17,5=175  => y=175:17,5=10

Đáp số: y=10