-3(b-828)=21

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Solution for -3(b-828)=21 equation:


Simplifying
-3(b + -828) = 21

Reorder the terms:
-3(-828 + b) = 21
(-828 * -3 + b * -3) = 21
(2484 + -3b) = 21

Solving
2484 + -3b = 21

Solving for variable 'b'.

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

Add '-2484' to each side of the equation.
2484 + -2484 + -3b = 21 + -2484

Combine like terms: 2484 + -2484 = 0
0 + -3b = 21 + -2484
-3b = 21 + -2484

Combine like terms: 21 + -2484 = -2463
-3b = -2463

Divide each side by '-3'.
b = 821

Simplifying
b = 821

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