104=2(7b-4)

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Solution for 104=2(7b-4) equation:


Simplifying
104 = 2(7b + -4)

Reorder the terms:
104 = 2(-4 + 7b)
104 = (-4 * 2 + 7b * 2)
104 = (-8 + 14b)

Solving
104 = -8 + 14b

Solving for variable 'b'.

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

Add '-14b' to each side of the equation.
104 + -14b = -8 + 14b + -14b

Combine like terms: 14b + -14b = 0
104 + -14b = -8 + 0
104 + -14b = -8

Add '-104' to each side of the equation.
104 + -104 + -14b = -8 + -104

Combine like terms: 104 + -104 = 0
0 + -14b = -8 + -104
-14b = -8 + -104

Combine like terms: -8 + -104 = -112
-14b = -112

Divide each side by '-14'.
b = 8

Simplifying
b = 8

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