.75(4+b)=8+b

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Solution for .75(4+b)=8+b equation:


Simplifying
0.75(4 + b) = 8 + b
(4 * 0.75 + b * 0.75) = 8 + b
(3 + 0.75b) = 8 + b

Solving
3 + 0.75b = 8 + 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.
3 + 0.75b + -1b = 8 + b + -1b

Combine like terms: 0.75b + -1b = -0.25b
3 + -0.25b = 8 + b + -1b

Combine like terms: b + -1b = 0
3 + -0.25b = 8 + 0
3 + -0.25b = 8

Add '-3' to each side of the equation.
3 + -3 + -0.25b = 8 + -3

Combine like terms: 3 + -3 = 0
0 + -0.25b = 8 + -3
-0.25b = 8 + -3

Combine like terms: 8 + -3 = 5
-0.25b = 5

Divide each side by '-0.25'.
b = -20

Simplifying
b = -20

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