-b+3-1=3*4

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Solution for -b+3-1=3*4 equation: 


Simplifying
-1b + 3 + -1 = 3 * 4

Reorder the terms:
3 + -1 + -1b = 3 * 4

Combine like terms: 3 + -1 = 2
2 + -1b = 3 * 4

Multiply 3 * 4
2 + -1b = 12

Solving
2 + -1b = 12

Solving for variable 'b'.

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

Add '-2' to each side of the equation.
2 + -2 + -1b = 12 + -2

Combine like terms: 2 + -2 = 0
0 + -1b = 12 + -2
-1b = 12 + -2

Combine like terms: 12 + -2 = 10
-1b = 10

Divide each side by '-1'.
b = -10

Simplifying
b = -10

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