-.20b-.40=-2

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Solution for -.20b-.40=-2 equation:


Simplifying
-0.20b + -0.40 = -2

Reorder the terms:
-0.40 + -0.20b = -2

Solving
-0.40 + -0.20b = -2

Solving for variable 'b'.

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

Add '0.40' to each side of the equation.
-0.40 + 0.40 + -0.20b = -2 + 0.40

Combine like terms: -0.40 + 0.40 = 0.00
0.00 + -0.20b = -2 + 0.40
-0.20b = -2 + 0.40

Combine like terms: -2 + 0.40 = -1.6
-0.20b = -1.6

Divide each side by '-0.20'.
b = 8

Simplifying
b = 8

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