2(1-2х)-3(х+25)=-10
2-2•2х-3х-3•25=-10
2-4х-3х-75=-10
-(75-2)-4х-3х=-10
-73-7х=-10
-7х=-10+73
-7х=63
х=63:(-7)
х=-9
2(1-2х)-3(х+25)=-10
2-2•2х-3х-3•25=-10
2-4х-3х-75=-10
-(75-2)-4х-3х=-10
-73-7х=-10
-7х=-10+73
-7х=63
х=63:(-7)
х=-9