-2b+2(b-10)=2(10-5b)

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Solution for -2b+2(b-10)=2(10-5b) equation: 


Simplifying
-2b + 2(b + -10) = 2(10 + -5b)

Reorder the terms:
-2b + 2(-10 + b) = 2(10 + -5b)
-2b + (-10 * 2 + b * 2) = 2(10 + -5b)
-2b + (-20 + 2b) = 2(10 + -5b)

Reorder the terms:
-20 + -2b + 2b = 2(10 + -5b)

Combine like terms: -2b + 2b = 0
-20 + 0 = 2(10 + -5b)
-20 = 2(10 + -5b)
-20 = (10 * 2 + -5b * 2)
-20 = (20 + -10b)

Solving
-20 = 20 + -10b

Solving for variable 'b'.

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

Add '10b' to each side of the equation.
-20 + 10b = 20 + -10b + 10b

Combine like terms: -10b + 10b = 0
-20 + 10b = 20 + 0
-20 + 10b = 20

Add '20' to each side of the equation.
-20 + 20 + 10b = 20 + 20

Combine like terms: -20 + 20 = 0
0 + 10b = 20 + 20
10b = 20 + 20

Combine like terms: 20 + 20 = 40
10b = 40

Divide each side by '10'.
b = 4

Simplifying
b = 4

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