5b-7=3b

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Solution for 5b-7=3b equation:


Simplifying
5b + -7 = 3b

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

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

Combine like terms: 5b + -3b = 2b
-7 + 2b = 3b + -3b

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

Add '7' to each side of the equation.
-7 + 7 + 2b = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 2b = 0 + 7
2b = 0 + 7

Combine like terms: 0 + 7 = 7
2b = 7

Divide each side by '2'.
b = 3.5

Simplifying
b = 3.5

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