7[b-9]=

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Solution for 7[b-9]= equation: 


Simplifying
7[b + -9] = 0

Reorder the terms:
7[-9 + b] = 0
[-9 * 7 + b * 7] = 0
[-63 + 7b] = 0

Solving
-63 + 7b = 0

Solving for variable 'b'.

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

Add '63' to each side of the equation.
-63 + 63 + 7b = 0 + 63

Combine like terms: -63 + 63 = 0
0 + 7b = 0 + 63
7b = 0 + 63

Combine like terms: 0 + 63 = 63
7b = 63

Divide each side by '7'.
b = 9

Simplifying
b = 9

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