12b+12b=-12(b-4)+10(3b+9)

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Solution for 12b+12b=-12(b-4)+10(3b+9) equation:


Simplifying
12b + 12b = -12(b + -4) + 10(3b + 9)

Combine like terms: 12b + 12b = 24b
24b = -12(b + -4) + 10(3b + 9)

Reorder the terms:
24b = -12(-4 + b) + 10(3b + 9)
24b = (-4 * -12 + b * -12) + 10(3b + 9)
24b = (48 + -12b) + 10(3b + 9)

Reorder the terms:
24b = 48 + -12b + 10(9 + 3b)
24b = 48 + -12b + (9 * 10 + 3b * 10)
24b = 48 + -12b + (90 + 30b)

Reorder the terms:
24b = 48 + 90 + -12b + 30b

Combine like terms: 48 + 90 = 138
24b = 138 + -12b + 30b

Combine like terms: -12b + 30b = 18b
24b = 138 + 18b

Solving
24b = 138 + 18b

Solving for variable 'b'.

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

Add '-18b' to each side of the equation.
24b + -18b = 138 + 18b + -18b

Combine like terms: 24b + -18b = 6b
6b = 138 + 18b + -18b

Combine like terms: 18b + -18b = 0
6b = 138 + 0
6b = 138

Divide each side by '6'.
b = 23

Simplifying
b = 23

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