-0.2(2.12-b)=8.6

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Solution for -0.2(2.12-b)=8.6 equation: 


Simplifying
-0.2(2.12 + -1b) = 8.6
(2.12 * -0.2 + -1b * -0.2) = 8.6
(-0.424 + 0.2b) = 8.6

Solving
-0.424 + 0.2b = 8.6

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '0.424' to each side of the equation.
-0.424 + 0.424 + 0.2b = 8.6 + 0.424

Combine like terms: -0.424 + 0.424 = 0.000
0.000 + 0.2b = 8.6 + 0.424
0.2b = 8.6 + 0.424

Combine like terms: 8.6 + 0.424 = 9.024
0.2b = 9.024

Divide each side by '0.2'.
b = 45.12

Simplifying
b = 45.12

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