20+12b=15b+-20+1

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Solution for 20+12b=15b+-20+1 equation:


Simplifying
20 + 12b = 15b + -20 + 1

Reorder the terms:
20 + 12b = -20 + 1 + 15b

Combine like terms: -20 + 1 = -19
20 + 12b = -19 + 15b

Solving
20 + 12b = -19 + 15b

Solving for variable 'b'.

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

Add '-15b' to each side of the equation.
20 + 12b + -15b = -19 + 15b + -15b

Combine like terms: 12b + -15b = -3b
20 + -3b = -19 + 15b + -15b

Combine like terms: 15b + -15b = 0
20 + -3b = -19 + 0
20 + -3b = -19

Add '-20' to each side of the equation.
20 + -20 + -3b = -19 + -20

Combine like terms: 20 + -20 = 0
0 + -3b = -19 + -20
-3b = -19 + -20

Combine like terms: -19 + -20 = -39
-3b = -39

Divide each side by '-3'.
b = 13

Simplifying
b = 13

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