3x(3+12)-42(x+2x)=7x+6(3-4x)+12решите

Question

3x(3+12)-42(x+2x)=7x+6(3-4x)+12

решите

Answer 1

3х(3+12)-42(х+2х)=7х+6(3-4х)+12

9х+36-42х-84х=7х+18-24х+12

9х-42х-84х-7х+24х=18+12-36

-100х=-6

х=0,06