6+b=21-7

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Solution for 6+b=21-7 equation: 


Simplifying
6 + b = 21 + -7

Combine like terms: 21 + -7 = 14
6 + b = 14

Solving
6 + b = 14

Solving for variable 'b'.

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

Add '-6' to each side of the equation.
6 + -6 + b = 14 + -6

Combine like terms: 6 + -6 = 0
0 + b = 14 + -6
b = 14 + -6

Combine like terms: 14 + -6 = 8
b = 8

Simplifying
b = 8

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