43-3b=b+9

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Solution for 43-3b=b+9 equation:


Simplifying
43 + -3b = b + 9

Reorder the terms:
43 + -3b = 9 + b

Solving
43 + -3b = 9 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
43 + -3b + -1b = 9 + b + -1b

Combine like terms: -3b + -1b = -4b
43 + -4b = 9 + b + -1b

Combine like terms: b + -1b = 0
43 + -4b = 9 + 0
43 + -4b = 9

Add '-43' to each side of the equation.
43 + -43 + -4b = 9 + -43

Combine like terms: 43 + -43 = 0
0 + -4b = 9 + -43
-4b = 9 + -43

Combine like terms: 9 + -43 = -34
-4b = -34

Divide each side by '-4'.
b = 8.5

Simplifying
b = 8.5

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