6(3b+5)=2(6b-21)

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Solution for 6(3b+5)=2(6b-21) equation:


Simplifying
6(3b + 5) = 2(6b + -21)

Reorder the terms:
6(5 + 3b) = 2(6b + -21)
(5 * 6 + 3b * 6) = 2(6b + -21)
(30 + 18b) = 2(6b + -21)

Reorder the terms:
30 + 18b = 2(-21 + 6b)
30 + 18b = (-21 * 2 + 6b * 2)
30 + 18b = (-42 + 12b)

Solving
30 + 18b = -42 + 12b

Solving for variable 'b'.

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

Add '-12b' to each side of the equation.
30 + 18b + -12b = -42 + 12b + -12b

Combine like terms: 18b + -12b = 6b
30 + 6b = -42 + 12b + -12b

Combine like terms: 12b + -12b = 0
30 + 6b = -42 + 0
30 + 6b = -42

Add '-30' to each side of the equation.
30 + -30 + 6b = -42 + -30

Combine like terms: 30 + -30 = 0
0 + 6b = -42 + -30
6b = -42 + -30

Combine like terms: -42 + -30 = -72
6b = -72

Divide each side by '6'.
b = -12

Simplifying
b = -12

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