3b+9+4(b-2)=

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Solution for 3b+9+4(b-2)= equation:


Simplifying
3b + 9 + 4(b + -2) = 0

Reorder the terms:
3b + 9 + 4(-2 + b) = 0
3b + 9 + (-2 * 4 + b * 4) = 0
3b + 9 + (-8 + 4b) = 0

Reorder the terms:
9 + -8 + 3b + 4b = 0

Combine like terms: 9 + -8 = 1
1 + 3b + 4b = 0

Combine like terms: 3b + 4b = 7b
1 + 7b = 0

Solving
1 + 7b = 0

Solving for variable 'b'.

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

Add '-1' to each side of the equation.
1 + -1 + 7b = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 7b = 0 + -1
7b = 0 + -1

Combine like terms: 0 + -1 = -1
7b = -1

Divide each side by '7'.
b = -0.1428571429

Simplifying
b = -0.1428571429

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