4b-2(b+9)=8

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Solution for 4b-2(b+9)=8 equation:


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

Reorder the terms:
4b + -2(9 + b) = 8
4b + (9 * -2 + b * -2) = 8
4b + (-18 + -2b) = 8

Reorder the terms:
-18 + 4b + -2b = 8

Combine like terms: 4b + -2b = 2b
-18 + 2b = 8

Solving
-18 + 2b = 8

Solving for variable 'b'.

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

Add '18' to each side of the equation.
-18 + 18 + 2b = 8 + 18

Combine like terms: -18 + 18 = 0
0 + 2b = 8 + 18
2b = 8 + 18

Combine like terms: 8 + 18 = 26
2b = 26

Divide each side by '2'.
b = 13

Simplifying
b = 13

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