7(b-4)=5(b-2)

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Solution for 7(b-4)=5(b-2) equation:


Simplifying
7(b + -4) = 5(b + -2)

Reorder the terms:
7(-4 + b) = 5(b + -2)
(-4 * 7 + b * 7) = 5(b + -2)
(-28 + 7b) = 5(b + -2)

Reorder the terms:
-28 + 7b = 5(-2 + b)
-28 + 7b = (-2 * 5 + b * 5)
-28 + 7b = (-10 + 5b)

Solving
-28 + 7b = -10 + 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.
-28 + 7b + -5b = -10 + 5b + -5b

Combine like terms: 7b + -5b = 2b
-28 + 2b = -10 + 5b + -5b

Combine like terms: 5b + -5b = 0
-28 + 2b = -10 + 0
-28 + 2b = -10

Add '28' to each side of the equation.
-28 + 28 + 2b = -10 + 28

Combine like terms: -28 + 28 = 0
0 + 2b = -10 + 28
2b = -10 + 28

Combine like terms: -10 + 28 = 18
2b = 18

Divide each side by '2'.
b = 9

Simplifying
b = 9

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