-14=2.5(9-2b)

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Solution for -14=2.5(9-2b) equation:


Simplifying
-14 = 2.5(9 + -2b)
-14 = (9 * 2.5 + -2b * 2.5)
-14 = (22.5 + -5b)

Solving
-14 = 22.5 + -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.
-14 + 5b = 22.5 + -5b + 5b

Combine like terms: -5b + 5b = 0
-14 + 5b = 22.5 + 0
-14 + 5b = 22.5

Add '14' to each side of the equation.
-14 + 14 + 5b = 22.5 + 14

Combine like terms: -14 + 14 = 0
0 + 5b = 22.5 + 14
5b = 22.5 + 14

Combine like terms: 22.5 + 14 = 36.5
5b = 36.5

Divide each side by '5'.
b = 7.3

Simplifying
b = 7.3

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