10b+20-5b-15=3

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Solution for 10b+20-5b-15=3 equation:


Simplifying
10b + 20 + -5b + -15 = 3

Reorder the terms:
20 + -15 + 10b + -5b = 3

Combine like terms: 20 + -15 = 5
5 + 10b + -5b = 3

Combine like terms: 10b + -5b = 5b
5 + 5b = 3

Solving
5 + 5b = 3

Solving for variable 'b'.

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

Add '-5' to each side of the equation.
5 + -5 + 5b = 3 + -5

Combine like terms: 5 + -5 = 0
0 + 5b = 3 + -5
5b = 3 + -5

Combine like terms: 3 + -5 = -2
5b = -2

Divide each side by '5'.
b = -0.4

Simplifying
b = -0.4

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