2(b-4)+4=5(9-b)

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Solution for 2(b-4)+4=5(9-b) equation:


Simplifying
2(b + -4) + 4 = 5(9 + -1b)

Reorder the terms:
2(-4 + b) + 4 = 5(9 + -1b)
(-4 * 2 + b * 2) + 4 = 5(9 + -1b)
(-8 + 2b) + 4 = 5(9 + -1b)

Reorder the terms:
-8 + 4 + 2b = 5(9 + -1b)

Combine like terms: -8 + 4 = -4
-4 + 2b = 5(9 + -1b)
-4 + 2b = (9 * 5 + -1b * 5)
-4 + 2b = (45 + -5b)

Solving
-4 + 2b = 45 + -5b

Solving for variable 'b'.

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

Add '5b' to each side of the equation.
-4 + 2b + 5b = 45 + -5b + 5b

Combine like terms: 2b + 5b = 7b
-4 + 7b = 45 + -5b + 5b

Combine like terms: -5b + 5b = 0
-4 + 7b = 45 + 0
-4 + 7b = 45

Add '4' to each side of the equation.
-4 + 4 + 7b = 45 + 4

Combine like terms: -4 + 4 = 0
0 + 7b = 45 + 4
7b = 45 + 4

Combine like terms: 45 + 4 = 49
7b = 49

Divide each side by '7'.
b = 7

Simplifying
b = 7

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