7b-9=5+3b

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Solution for 7b-9=5+3b equation:


Simplifying
7b + -9 = 5 + 3b

Reorder the terms:
-9 + 7b = 5 + 3b

Solving
-9 + 7b = 5 + 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.
-9 + 7b + -3b = 5 + 3b + -3b

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

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

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

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

Combine like terms: 5 + 9 = 14
4b = 14

Divide each side by '4'.
b = 3.5

Simplifying
b = 3.5

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