2-3(z-5)+11=4
Distribute
2-3z+15+11=4
Move the constants to gether but make sure they keep thei signs
2+15+11-3z=4
Simplify
28-3z=4
Start to Isolate the variable by subtracting 28 from both sides of the equation
-3z=-24
Completely isolate the variable by deviding the whole equation by -3
z=8
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