Step-by-step explanation:
1)
6x-3=11
6x=11+3
6x=14
x=2.33
2)
15=x/3+2
-2+15=x/3
13=x/3
x=31
3)
-4(x-1)=7(x+4)
-4x+4=7x+28
-4x-7x=-4+28
3x=24
x=8
4)
3(2x+11)=6x
6x+33=6x
33=-6x+6x
no solution
step by step solution :
step 1 :
1.1 4 = 22
(4)3 = (22)3 = 26
equation at the end of step 1 :
((23) • 26)2
step 2 :
equation at the end of step 2 :
(23 • 26)2
step 3 :
final result :
218
ya