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

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Solution for 7(b+2)=9(b-4) equation:


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

Reorder the terms:
7(2 + b) = 9(b + -4)
(2 * 7 + b * 7) = 9(b + -4)
(14 + 7b) = 9(b + -4)

Reorder the terms:
14 + 7b = 9(-4 + b)
14 + 7b = (-4 * 9 + b * 9)
14 + 7b = (-36 + 9b)

Solving
14 + 7b = -36 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
14 + 7b + -9b = -36 + 9b + -9b

Combine like terms: 7b + -9b = -2b
14 + -2b = -36 + 9b + -9b

Combine like terms: 9b + -9b = 0
14 + -2b = -36 + 0
14 + -2b = -36

Add '-14' to each side of the equation.
14 + -14 + -2b = -36 + -14

Combine like terms: 14 + -14 = 0
0 + -2b = -36 + -14
-2b = -36 + -14

Combine like terms: -36 + -14 = -50
-2b = -50

Divide each side by '-2'.
b = 25

Simplifying
b = 25

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