2=-1*-4+b

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Solution for 2=-1*-4+b equation: 


Simplifying
2 = -1 * -4 + b

Multiply -1 * -4
2 = 4 + b

Solving
2 = 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.
2 + -1b = 4 + b + -1b

Combine like terms: b + -1b = 0
2 + -1b = 4 + 0
2 + -1b = 4

Add '-2' to each side of the equation.
2 + -2 + -1b = 4 + -2

Combine like terms: 2 + -2 = 0
0 + -1b = 4 + -2
-1b = 4 + -2

Combine like terms: 4 + -2 = 2
-1b = 2

Divide each side by '-1'.
b = -2

Simplifying
b = -2

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