3b+5+4b=18+9b+7

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Solution for 3b+5+4b=18+9b+7 equation:


Simplifying
3b + 5 + 4b = 18 + 9b + 7

Reorder the terms:
5 + 3b + 4b = 18 + 9b + 7

Combine like terms: 3b + 4b = 7b
5 + 7b = 18 + 9b + 7

Reorder the terms:
5 + 7b = 18 + 7 + 9b

Combine like terms: 18 + 7 = 25
5 + 7b = 25 + 9b

Solving
5 + 7b = 25 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
5 + 7b + -9b = 25 + 9b + -9b

Combine like terms: 7b + -9b = -2b
5 + -2b = 25 + 9b + -9b

Combine like terms: 9b + -9b = 0
5 + -2b = 25 + 0
5 + -2b = 25

Add '-5' to each side of the equation.
5 + -5 + -2b = 25 + -5

Combine like terms: 5 + -5 = 0
0 + -2b = 25 + -5
-2b = 25 + -5

Combine like terms: 25 + -5 = 20
-2b = 20

Divide each side by '-2'.
b = -10

Simplifying
b = -10

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