3(b-7)=63

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Solution for 3(b-7)=63 equation: 


Simplifying
3(b + -7) = 63

Reorder the terms:
3(-7 + b) = 63
(-7 * 3 + b * 3) = 63
(-21 + 3b) = 63

Solving
-21 + 3b = 63

Solving for variable 'b'.

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

Add '21' to each side of the equation.
-21 + 21 + 3b = 63 + 21

Combine like terms: -21 + 21 = 0
0 + 3b = 63 + 21
3b = 63 + 21

Combine like terms: 63 + 21 = 84
3b = 84

Divide each side by '3'.
b = 28

Simplifying
b = 28

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