54(b-7)=9(b-87)

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Solution for 54(b-7)=9(b-87) equation:


Simplifying
54(b + -7) = 9(b + -87)

Reorder the terms:
54(-7 + b) = 9(b + -87)
(-7 * 54 + b * 54) = 9(b + -87)
(-378 + 54b) = 9(b + -87)

Reorder the terms:
-378 + 54b = 9(-87 + b)
-378 + 54b = (-87 * 9 + b * 9)
-378 + 54b = (-783 + 9b)

Solving
-378 + 54b = -783 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
-378 + 54b + -9b = -783 + 9b + -9b

Combine like terms: 54b + -9b = 45b
-378 + 45b = -783 + 9b + -9b

Combine like terms: 9b + -9b = 0
-378 + 45b = -783 + 0
-378 + 45b = -783

Add '378' to each side of the equation.
-378 + 378 + 45b = -783 + 378

Combine like terms: -378 + 378 = 0
0 + 45b = -783 + 378
45b = -783 + 378

Combine like terms: -783 + 378 = -405
45b = -405

Divide each side by '45'.
b = -9

Simplifying
b = -9

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