4=8-2b

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Solution for 4=8-2b equation:


Simplifying
4 = 8 + -2b

Solving
4 = 8 + -2b

Solving for variable 'b'.

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

Add '2b' to each side of the equation.
4 + 2b = 8 + -2b + 2b

Combine like terms: -2b + 2b = 0
4 + 2b = 8 + 0
4 + 2b = 8

Add '-4' to each side of the equation.
4 + -4 + 2b = 8 + -4

Combine like terms: 4 + -4 = 0
0 + 2b = 8 + -4
2b = 8 + -4

Combine like terms: 8 + -4 = 4
2b = 4

Divide each side by '2'.
b = 2

Simplifying
b = 2

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