Question

Tìm x biết:( X x 5 -19) + (X x 3 + 24) = 125

Answer 1

\(\left(5x-19\right)+\left(3x+24\right)=125\)

.\(5x-19+3x+24=125\)

\(8x+5=125\)

\(8x=120\)

\(x=15\)

Answer 2

ta có x *8 =125+19-24

        x*8=120

        x=120\8

       x=15