Subtract from Sides

What : Subtract the same expression from the both sides of == 
 Why : Such side-wise subtraction is an essential computation for solving equations 
 Time to Complete : 3 hours 
 eq = (x -3 == 17*y + 9);

lhs = eq.left - 9; 
rhs = eq.right - 9;

eq2 = (lhs == rhs);

show eq2;

save as sides;
 
 Output 
 "eq2" → -12 + x == 17*y 
 Output 
 
 .box {
 width: 200px;
 height: 70px;
 background-color: hsla(89, 43%, 51%, 0.3);
 border: 2px dotted orange;
 padding: 10px;
 margin: 10px;
 }
 
 
 "lhs" → (-12 + x)/17
 
"rhs" → y
 
 
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