[7-b]+[3b+2]=

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Solution for [7-b]+[3b+2]= equation:


Simplifying
[7 + -1b] + [3b + 2] = 0

Remove brackets around [7 + -1b]
7 + -1b + [3b + 2] = 0

Reorder the terms:
7 + -1b + [2 + 3b] = 0

Remove brackets around [2 + 3b]
7 + -1b + 2 + 3b = 0

Reorder the terms:
7 + 2 + -1b + 3b = 0

Combine like terms: 7 + 2 = 9
9 + -1b + 3b = 0

Combine like terms: -1b + 3b = 2b
9 + 2b = 0

Solving
9 + 2b = 0

Solving for variable 'b'.

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

Add '-9' to each side of the equation.
9 + -9 + 2b = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 2b = 0 + -9
2b = 0 + -9

Combine like terms: 0 + -9 = -9
2b = -9

Divide each side by '2'.
b = -4.5

Simplifying
b = -4.5

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