12-4b=6(-b-5)+5(4b+3)

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Solution for 12-4b=6(-b-5)+5(4b+3) equation:


Simplifying
12 + -4b = 6(-1b + -5) + 5(4b + 3)

Reorder the terms:
12 + -4b = 6(-5 + -1b) + 5(4b + 3)
12 + -4b = (-5 * 6 + -1b * 6) + 5(4b + 3)
12 + -4b = (-30 + -6b) + 5(4b + 3)

Reorder the terms:
12 + -4b = -30 + -6b + 5(3 + 4b)
12 + -4b = -30 + -6b + (3 * 5 + 4b * 5)
12 + -4b = -30 + -6b + (15 + 20b)

Reorder the terms:
12 + -4b = -30 + 15 + -6b + 20b

Combine like terms: -30 + 15 = -15
12 + -4b = -15 + -6b + 20b

Combine like terms: -6b + 20b = 14b
12 + -4b = -15 + 14b

Solving
12 + -4b = -15 + 14b

Solving for variable 'b'.

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

Add '-14b' to each side of the equation.
12 + -4b + -14b = -15 + 14b + -14b

Combine like terms: -4b + -14b = -18b
12 + -18b = -15 + 14b + -14b

Combine like terms: 14b + -14b = 0
12 + -18b = -15 + 0
12 + -18b = -15

Add '-12' to each side of the equation.
12 + -12 + -18b = -15 + -12

Combine like terms: 12 + -12 = 0
0 + -18b = -15 + -12
-18b = -15 + -12

Combine like terms: -15 + -12 = -27
-18b = -27

Divide each side by '-18'.
b = 1.5

Simplifying
b = 1.5

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