7b-21=5b+29

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Solution for 7b-21=5b+29 equation:


Simplifying
7b + -21 = 5b + 29

Reorder the terms:
-21 + 7b = 5b + 29

Reorder the terms:
-21 + 7b = 29 + 5b

Solving
-21 + 7b = 29 + 5b

Solving for variable 'b'.

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

Add '-5b' to each side of the equation.
-21 + 7b + -5b = 29 + 5b + -5b

Combine like terms: 7b + -5b = 2b
-21 + 2b = 29 + 5b + -5b

Combine like terms: 5b + -5b = 0
-21 + 2b = 29 + 0
-21 + 2b = 29

Add '21' to each side of the equation.
-21 + 21 + 2b = 29 + 21

Combine like terms: -21 + 21 = 0
0 + 2b = 29 + 21
2b = 29 + 21

Combine like terms: 29 + 21 = 50
2b = 50

Divide each side by '2'.
b = 25

Simplifying
b = 25

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