a) x-4+9-6x=6x-6b)-16+15x+4x-22=8x-27c)-3(x-2)=-12
a)
x-4+9-6x=6x-6
-5x+5=6x-6
-5x-6x=-6-5
-11x=-11/:-11
x=1
b)
-16+15x+4x-22=8x-27
19x-8x=-27+22+16
11x=11/:11
c)
-3(x-2)=-12
-3x+6=-12
-3x=-12-6
-3x=-18/:-3
x=6
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a)
x-4+9-6x=6x-6
-5x+5=6x-6
-5x-6x=-6-5
-11x=-11/:-11
x=1
b)
-16+15x+4x-22=8x-27
19x-8x=-27+22+16
11x=11/:11
x=1
c)
-3(x-2)=-12
-3x+6=-12
-3x=-12-6
-3x=-18/:-3
x=6