4b+75=b-9

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Solution for 4b+75=b-9 equation:


Simplifying
4b + 75 = b + -9

Reorder the terms:
75 + 4b = b + -9

Reorder the terms:
75 + 4b = -9 + b

Solving
75 + 4b = -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.
75 + 4b + -1b = -9 + b + -1b

Combine like terms: 4b + -1b = 3b
75 + 3b = -9 + b + -1b

Combine like terms: b + -1b = 0
75 + 3b = -9 + 0
75 + 3b = -9

Add '-75' to each side of the equation.
75 + -75 + 3b = -9 + -75

Combine like terms: 75 + -75 = 0
0 + 3b = -9 + -75
3b = -9 + -75

Combine like terms: -9 + -75 = -84
3b = -84

Divide each side by '3'.
b = -28

Simplifying
b = -28

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