8d+12-b=8+7b+4

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Solution for 8d+12-b=8+7b+4 equation:


Simplifying
8d + 12 + -1b = 8 + 7b + 4

Reorder the terms:
12 + -1b + 8d = 8 + 7b + 4

Reorder the terms:
12 + -1b + 8d = 8 + 4 + 7b

Combine like terms: 8 + 4 = 12
12 + -1b + 8d = 12 + 7b

Add '-12' to each side of the equation.
12 + -1b + -12 + 8d = 12 + -12 + 7b

Reorder the terms:
12 + -12 + -1b + 8d = 12 + -12 + 7b

Combine like terms: 12 + -12 = 0
0 + -1b + 8d = 12 + -12 + 7b
-1b + 8d = 12 + -12 + 7b

Combine like terms: 12 + -12 = 0
-1b + 8d = 0 + 7b
-1b + 8d = 7b

Solving
-1b + 8d = 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
-1b + -7b + 8d = 7b + -7b

Combine like terms: -1b + -7b = -8b
-8b + 8d = 7b + -7b

Combine like terms: 7b + -7b = 0
-8b + 8d = 0

Add '-8d' to each side of the equation.
-8b + 8d + -8d = 0 + -8d

Combine like terms: 8d + -8d = 0
-8b + 0 = 0 + -8d
-8b = 0 + -8d
Remove the zero:
-8b = -8d

Divide each side by '-8'.
b = d

Simplifying
b = d

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