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-4+b/9=-2
We simplify the equation to the form, which is simple to understand
-4+b/9=-2
We move all terms containing b to the left and all other terms to the right.
+ 0.11111111111111b=-2+4
We simplify left and right side of the equation.
+ 0.11111111111111b=+2
We divide both sides of the equation by 0.11111111111111 to get b.
b=18
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