28-4x+28=36
-4x+56=36
-4x=-20
x=5
28-4(х-7)=36
28-4х+28=36
-4х=36-56-4х=-20
х=5
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28-4x+28=36
-4x+56=36
-4x=-20
x=5
28-4(х-7)=36
28-4х+28=36
-4х=36-56
-4х=-20
х=5