8=1(20)+b

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Solution for 8=1(20)+b equation:


Simplifying
8 = 1(20) + b

Multiply 1 * 20
8 = 20 + b

Solving
8 = 20 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
8 + -1b = 20 + b + -1b

Combine like terms: b + -1b = 0
8 + -1b = 20 + 0
8 + -1b = 20

Add '-8' to each side of the equation.
8 + -8 + -1b = 20 + -8

Combine like terms: 8 + -8 = 0
0 + -1b = 20 + -8
-1b = 20 + -8

Combine like terms: 20 + -8 = 12
-1b = 12

Divide each side by '-1'.
b = -12

Simplifying
b = -12

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