103.4=-12(-8.2)+b

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Solution for 103.4=-12(-8.2)+b equation: 


Simplifying
103.4 = -12(-8.2) + b

Multiply -12 * -8.2
103.4 = 98.4 + b

Solving
103.4 = 98.4 + 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.
103.4 + -1b = 98.4 + b + -1b

Combine like terms: b + -1b = 0
103.4 + -1b = 98.4 + 0
103.4 + -1b = 98.4

Add '-103.4' to each side of the equation.
103.4 + -103.4 + -1b = 98.4 + -103.4

Combine like terms: 103.4 + -103.4 = 0.0
0.0 + -1b = 98.4 + -103.4
-1b = 98.4 + -103.4

Combine like terms: 98.4 + -103.4 = -5
-1b = -5

Divide each side by '-1'.
b = 5

Simplifying
b = 5

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