2(b-30)=k-20

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Solution for 2(b-30)=k-20 equation: 


Simplifying
2(b + -30) = k + -20

Reorder the terms:
2(-30 + b) = k + -20
(-30 * 2 + b * 2) = k + -20
(-60 + 2b) = k + -20

Reorder the terms:
-60 + 2b = -20 + k

Solving
-60 + 2b = -20 + k

Solving for variable 'b'.

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

Add '60' to each side of the equation.
-60 + 60 + 2b = -20 + 60 + k

Combine like terms: -60 + 60 = 0
0 + 2b = -20 + 60 + k
2b = -20 + 60 + k

Combine like terms: -20 + 60 = 40
2b = 40 + k

Divide each side by '2'.
b = 20 + 0.5k

Simplifying
b = 20 + 0.5k

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