3+0.5(10b+20)=

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Solution for 3+0.5(10b+20)= equation:


Simplifying
3 + 0.5(10b + 20) = 0

Reorder the terms:
3 + 0.5(20 + 10b) = 0
3 + (20 * 0.5 + 10b * 0.5) = 0
3 + (10 + 5b) = 0

Combine like terms: 3 + 10 = 13
13 + 5b = 0

Solving
13 + 5b = 0

Solving for variable 'b'.

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

Add '-13' to each side of the equation.
13 + -13 + 5b = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 5b = 0 + -13
5b = 0 + -13

Combine like terms: 0 + -13 = -13
5b = -13

Divide each side by '5'.
b = -2.6

Simplifying
b = -2.6

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