20b-19b+9=-9

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Solution for 20b-19b+9=-9 equation:


Simplifying
20b + -19b + 9 = -9

Reorder the terms:
9 + 20b + -19b = -9

Combine like terms: 20b + -19b = 1b
9 + 1b = -9

Solving
9 + 1b = -9

Solving for variable 'b'.

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

Add '-9' to each side of the equation.
9 + -9 + 1b = -9 + -9

Combine like terms: 9 + -9 = 0
0 + 1b = -9 + -9
1b = -9 + -9

Combine like terms: -9 + -9 = -18
1b = -18

Divide each side by '1'.
b = -18

Simplifying
b = -18

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