4(b+2)-2(b+8)=28

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Solution for 4(b+2)-2(b+8)=28 equation:


Simplifying
4(b + 2) + -2(b + 8) = 28

Reorder the terms:
4(2 + b) + -2(b + 8) = 28
(2 * 4 + b * 4) + -2(b + 8) = 28
(8 + 4b) + -2(b + 8) = 28

Reorder the terms:
8 + 4b + -2(8 + b) = 28
8 + 4b + (8 * -2 + b * -2) = 28
8 + 4b + (-16 + -2b) = 28

Reorder the terms:
8 + -16 + 4b + -2b = 28

Combine like terms: 8 + -16 = -8
-8 + 4b + -2b = 28

Combine like terms: 4b + -2b = 2b
-8 + 2b = 28

Solving
-8 + 2b = 28

Solving for variable 'b'.

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

Add '8' to each side of the equation.
-8 + 8 + 2b = 28 + 8

Combine like terms: -8 + 8 = 0
0 + 2b = 28 + 8
2b = 28 + 8

Combine like terms: 28 + 8 = 36
2b = 36

Divide each side by '2'.
b = 18

Simplifying
b = 18

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