12-.25(b+15)=4

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Solution for 12-.25(b+15)=4 equation: 


Simplifying
12 + -0.25(b + 15) = 4

Reorder the terms:
12 + -0.25(15 + b) = 4
12 + (15 * -0.25 + b * -0.25) = 4
12 + (-3.75 + -0.25b) = 4

Combine like terms: 12 + -3.75 = 8.25
8.25 + -0.25b = 4

Solving
8.25 + -0.25b = 4

Solving for variable 'b'.

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

Add '-8.25' to each side of the equation.
8.25 + -8.25 + -0.25b = 4 + -8.25

Combine like terms: 8.25 + -8.25 = 0.00
0.00 + -0.25b = 4 + -8.25
-0.25b = 4 + -8.25

Combine like terms: 4 + -8.25 = -4.25
-0.25b = -4.25

Divide each side by '-0.25'.
b = 17

Simplifying
b = 17

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