7b+12b=-(7+9b)+7(1+12b)

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Solution for 7b+12b=-(7+9b)+7(1+12b) equation:


Simplifying
7b + 12b = -1(7 + 9b) + 7(1 + 12b)

Combine like terms: 7b + 12b = 19b
19b = -1(7 + 9b) + 7(1 + 12b)
19b = (7 * -1 + 9b * -1) + 7(1 + 12b)
19b = (-7 + -9b) + 7(1 + 12b)
19b = -7 + -9b + (1 * 7 + 12b * 7)
19b = -7 + -9b + (7 + 84b)

Reorder the terms:
19b = -7 + 7 + -9b + 84b

Combine like terms: -7 + 7 = 0
19b = 0 + -9b + 84b
19b = -9b + 84b

Combine like terms: -9b + 84b = 75b
19b = 75b

Solving
19b = 75b

Solving for variable 'b'.

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

Add '-75b' to each side of the equation.
19b + -75b = 75b + -75b

Combine like terms: 19b + -75b = -56b
-56b = 75b + -75b

Combine like terms: 75b + -75b = 0
-56b = 0

Divide each side by '-56'.
b = 0

Simplifying
b = 0

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