-9b+4+7b=3b+9

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Solution for -9b+4+7b=3b+9 equation:


Simplifying
-9b + 4 + 7b = 3b + 9

Reorder the terms:
4 + -9b + 7b = 3b + 9

Combine like terms: -9b + 7b = -2b
4 + -2b = 3b + 9

Reorder the terms:
4 + -2b = 9 + 3b

Solving
4 + -2b = 9 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
4 + -2b + -3b = 9 + 3b + -3b

Combine like terms: -2b + -3b = -5b
4 + -5b = 9 + 3b + -3b

Combine like terms: 3b + -3b = 0
4 + -5b = 9 + 0
4 + -5b = 9

Add '-4' to each side of the equation.
4 + -4 + -5b = 9 + -4

Combine like terms: 4 + -4 = 0
0 + -5b = 9 + -4
-5b = 9 + -4

Combine like terms: 9 + -4 = 5
-5b = 5

Divide each side by '-5'.
b = -1

Simplifying
b = -1

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