9+3(5-b)=7(2-b)

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Solution for 9+3(5-b)=7(2-b) equation:


Simplifying
9 + 3(5 + -1b) = 7(2 + -1b)
9 + (5 * 3 + -1b * 3) = 7(2 + -1b)
9 + (15 + -3b) = 7(2 + -1b)

Combine like terms: 9 + 15 = 24
24 + -3b = 7(2 + -1b)
24 + -3b = (2 * 7 + -1b * 7)
24 + -3b = (14 + -7b)

Solving
24 + -3b = 14 + -7b

Solving for variable 'b'.

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

Add '7b' to each side of the equation.
24 + -3b + 7b = 14 + -7b + 7b

Combine like terms: -3b + 7b = 4b
24 + 4b = 14 + -7b + 7b

Combine like terms: -7b + 7b = 0
24 + 4b = 14 + 0
24 + 4b = 14

Add '-24' to each side of the equation.
24 + -24 + 4b = 14 + -24

Combine like terms: 24 + -24 = 0
0 + 4b = 14 + -24
4b = 14 + -24

Combine like terms: 14 + -24 = -10
4b = -10

Divide each side by '4'.
b = -2.5

Simplifying
b = -2.5

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