Question

初一解方程一题,过程完整一点,

Answer 1

0.03X-0.7*(0.17-0.2X)=0.7*0.03

0.03X-0.7*0.17+0.14X=0.7*0.03

0.17X=0.7*0.17+0.7*0.03=0.7*0.2

X=0.7*0.2/0.17=0.82353