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9X+17-6=4X+26
9x+11=4x+26
9x-4x= 26-11
5x= 15
x=15÷5
x=3
B
5(x+3)-11=2X+19
5x+15-11=2x+19
5x-2x=19-4
3x= 15
x= 15÷3
x= 5
C
3X-2+6X=15+2X+11
9x-2= 26+2x
9x-2x=26+2
7x=28
x= 28÷7
x=4
D
4X+1+2(5+X)=X+71
4x+1+10+2x=x+71
6x+11= x+71
6x-x=71-11
5x=60
x=60÷5
x=12
E
21+3(2X-2)-2X=60-X
21+6x-6-2x=60-x
15+4x=60-x
4x+x=60-15
5x=45
x=45÷5
x=9