9=2(7-b)

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


Simplifying
9 = 2(7 + -1b)
9 = (7 * 2 + -1b * 2)
9 = (14 + -2b)

Solving
9 = 14 + -2b

Solving for variable 'b'.

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

Add '2b' to each side of the equation.
9 + 2b = 14 + -2b + 2b

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

Add '-9' to each side of the equation.
9 + -9 + 2b = 14 + -9

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

Combine like terms: 14 + -9 = 5
2b = 5

Divide each side by '2'.
b = 2.5

Simplifying
b = 2.5

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