3b-9=3(8b+4)

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Solution for 3b-9=3(8b+4) equation:


Simplifying
3b + -9 = 3(8b + 4)

Reorder the terms:
-9 + 3b = 3(8b + 4)

Reorder the terms:
-9 + 3b = 3(4 + 8b)
-9 + 3b = (4 * 3 + 8b * 3)
-9 + 3b = (12 + 24b)

Solving
-9 + 3b = 12 + 24b

Solving for variable 'b'.

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

Add '-24b' to each side of the equation.
-9 + 3b + -24b = 12 + 24b + -24b

Combine like terms: 3b + -24b = -21b
-9 + -21b = 12 + 24b + -24b

Combine like terms: 24b + -24b = 0
-9 + -21b = 12 + 0
-9 + -21b = 12

Add '9' to each side of the equation.
-9 + 9 + -21b = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -21b = 12 + 9
-21b = 12 + 9

Combine like terms: 12 + 9 = 21
-21b = 21

Divide each side by '-21'.
b = -1

Simplifying
b = -1

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