4b-18=5(b-9)

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Solution for 4b-18=5(b-9) equation:


Simplifying
4b + -18 = 5(b + -9)

Reorder the terms:
-18 + 4b = 5(b + -9)

Reorder the terms:
-18 + 4b = 5(-9 + b)
-18 + 4b = (-9 * 5 + b * 5)
-18 + 4b = (-45 + 5b)

Solving
-18 + 4b = -45 + 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.
-18 + 4b + -5b = -45 + 5b + -5b

Combine like terms: 4b + -5b = -1b
-18 + -1b = -45 + 5b + -5b

Combine like terms: 5b + -5b = 0
-18 + -1b = -45 + 0
-18 + -1b = -45

Add '18' to each side of the equation.
-18 + 18 + -1b = -45 + 18

Combine like terms: -18 + 18 = 0
0 + -1b = -45 + 18
-1b = -45 + 18

Combine like terms: -45 + 18 = -27
-1b = -27

Divide each side by '-1'.
b = 27

Simplifying
b = 27

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