8(3b+10)=4(b+3)-9

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Solution for 8(3b+10)=4(b+3)-9 equation:


Simplifying
8(3b + 10) = 4(b + 3) + -9

Reorder the terms:
8(10 + 3b) = 4(b + 3) + -9
(10 * 8 + 3b * 8) = 4(b + 3) + -9
(80 + 24b) = 4(b + 3) + -9

Reorder the terms:
80 + 24b = 4(3 + b) + -9
80 + 24b = (3 * 4 + b * 4) + -9
80 + 24b = (12 + 4b) + -9

Reorder the terms:
80 + 24b = 12 + -9 + 4b

Combine like terms: 12 + -9 = 3
80 + 24b = 3 + 4b

Solving
80 + 24b = 3 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
80 + 24b + -4b = 3 + 4b + -4b

Combine like terms: 24b + -4b = 20b
80 + 20b = 3 + 4b + -4b

Combine like terms: 4b + -4b = 0
80 + 20b = 3 + 0
80 + 20b = 3

Add '-80' to each side of the equation.
80 + -80 + 20b = 3 + -80

Combine like terms: 80 + -80 = 0
0 + 20b = 3 + -80
20b = 3 + -80

Combine like terms: 3 + -80 = -77
20b = -77

Divide each side by '20'.
b = -3.85

Simplifying
b = -3.85

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