18.5=-4.5+3(b-7)

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Solution for 18.5=-4.5+3(b-7) equation: 


Simplifying
18.5 = -4.5 + 3(b + -7)

Reorder the terms:
18.5 = -4.5 + 3(-7 + b)
18.5 = -4.5 + (-7 * 3 + b * 3)
18.5 = -4.5 + (-21 + 3b)

Combine like terms: -4.5 + -21 = -25.5
18.5 = -25.5 + 3b

Solving
18.5 = -25.5 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
18.5 + -3b = -25.5 + 3b + -3b

Combine like terms: 3b + -3b = 0
18.5 + -3b = -25.5 + 0
18.5 + -3b = -25.5

Add '-18.5' to each side of the equation.
18.5 + -18.5 + -3b = -25.5 + -18.5

Combine like terms: 18.5 + -18.5 = 0.0
0.0 + -3b = -25.5 + -18.5
-3b = -25.5 + -18.5

Combine like terms: -25.5 + -18.5 = -44
-3b = -44

Divide each side by '-3'.
b = 14.66666667

Simplifying
b = 14.66666667

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