(7-b)+(3b+2)=-2b

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Solution for (7-b)+(3b+2)=-2b equation:


Simplifying
(7 + -1b) + (3b + 2) = -2b

Remove parenthesis around (7 + -1b)
7 + -1b + (3b + 2) = -2b

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

Remove parenthesis around (2 + 3b)
7 + -1b + 2 + 3b = -2b

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

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

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

Solving
9 + 2b = -2b

Solving for variable 'b'.

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

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

Combine like terms: 2b + 2b = 4b
9 + 4b = -2b + 2b

Combine like terms: -2b + 2b = 0
9 + 4b = 0

Add '-9' to each side of the equation.
9 + -9 + 4b = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 4b = 0 + -9
4b = 0 + -9

Combine like terms: 0 + -9 = -9
4b = -9

Divide each side by '4'.
b = -2.25

Simplifying
b = -2.25

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