2x+5=11
2x=11-5
2x=6 /:2
x=3
1/4y-3=2
1/4y=2+3
1/4y=5 /:1/4
y=5:1/4
y=5*4
y=20
5z=3z+8
5z-3z=8
-2z=8 /:(-2)
z=-4
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2x+5=11
2x=11-5
2x=6 /:2
x=3
1/4y-3=2
1/4y=2+3
1/4y=5 /:1/4
y=5:1/4
y=5*4
y=20
5z=3z+8
5z-3z=8
-2z=8 /:(-2)
z=-4