21+3(5b-6)-4b=

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Solution for 21+3(5b-6)-4b= equation:


Simplifying
21 + 3(5b + -6) + -4b = 0

Reorder the terms:
21 + 3(-6 + 5b) + -4b = 0
21 + (-6 * 3 + 5b * 3) + -4b = 0
21 + (-18 + 15b) + -4b = 0

Combine like terms: 21 + -18 = 3
3 + 15b + -4b = 0

Combine like terms: 15b + -4b = 11b
3 + 11b = 0

Solving
3 + 11b = 0

Solving for variable 'b'.

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

Add '-3' to each side of the equation.
3 + -3 + 11b = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 11b = 0 + -3
11b = 0 + -3

Combine like terms: 0 + -3 = -3
11b = -3

Divide each side by '11'.
b = -0.2727272727

Simplifying
b = -0.2727272727

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