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19-2b=8-2(b-7)
We simplify the equation to the form, which is simple to understand
19-2b=8-2(b-7)
Reorder the terms in parentheses
19-2b=8+(-2b+14)
Remove unnecessary parentheses
+19-2b=+8-2b+14
We move all terms containing b to the left and all other terms to the right.
-2b+2b=+8+14-19
We simplify left and right side of the equation.
b=+3
0=3
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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