8=(0.75)(3)+b

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Solution for 8=(0.75)(3)+b equation:


Simplifying
8 = (0.75)(3) + b

Multiply 0.75 * 3
8 = 2.25 + b

Solving
8 = 2.25 + 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.
8 + -1b = 2.25 + b + -1b

Combine like terms: b + -1b = 0
8 + -1b = 2.25 + 0
8 + -1b = 2.25

Add '-8' to each side of the equation.
8 + -8 + -1b = 2.25 + -8

Combine like terms: 8 + -8 = 0
0 + -1b = 2.25 + -8
-1b = 2.25 + -8

Combine like terms: 2.25 + -8 = -5.75
-1b = -5.75

Divide each side by '-1'.
b = 5.75

Simplifying
b = 5.75

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