2(4-b)+2(2-2b)=9

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Solution for 2(4-b)+2(2-2b)=9 equation:


Simplifying
2(4 + -1b) + 2(2 + -2b) = 9
(4 * 2 + -1b * 2) + 2(2 + -2b) = 9
(8 + -2b) + 2(2 + -2b) = 9
8 + -2b + (2 * 2 + -2b * 2) = 9
8 + -2b + (4 + -4b) = 9

Reorder the terms:
8 + 4 + -2b + -4b = 9

Combine like terms: 8 + 4 = 12
12 + -2b + -4b = 9

Combine like terms: -2b + -4b = -6b
12 + -6b = 9

Solving
12 + -6b = 9

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + -6b = 9 + -12

Combine like terms: 12 + -12 = 0
0 + -6b = 9 + -12
-6b = 9 + -12

Combine like terms: 9 + -12 = -3
-6b = -3

Divide each side by '-6'.
b = 0.5

Simplifying
b = 0.5

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