Question

X x 26 + X x 74 =31600

tiếp nè

Answer 1

\(x\times26+x\times74=31600\\ x\times\left(26+74\right)=31600\\ x\times100=31600\\ x=31600:100\\ x=316\)

Answer 2

\(x\times26+x\times74=31600\)

\(x\times\left(26+74\right)=31600\)

\(x\times100=31600\)

\(x=31600:100\)

\(x=316\)