4b-4(1-6)=b-9

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Solution for 4b-4(1-6)=b-9 equation:


Simplifying
4b + -4(1 + -6) = b + -9

Combine like terms: 1 + -6 = -5
4b + -4(-5) = b + -9

Multiply -4 * -5
4b + 20 = b + -9

Reorder the terms:
20 + 4b = b + -9

Reorder the terms:
20 + 4b = -9 + b

Solving
20 + 4b = -9 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
20 + 4b + -1b = -9 + b + -1b

Combine like terms: 4b + -1b = 3b
20 + 3b = -9 + b + -1b

Combine like terms: b + -1b = 0
20 + 3b = -9 + 0
20 + 3b = -9

Add '-20' to each side of the equation.
20 + -20 + 3b = -9 + -20

Combine like terms: 20 + -20 = 0
0 + 3b = -9 + -20
3b = -9 + -20

Combine like terms: -9 + -20 = -29
3b = -29

Divide each side by '3'.
b = -9.666666667

Simplifying
b = -9.666666667

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