3=2(-1)+b

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Solution for 3=2(-1)+b equation:


Simplifying
3 = 2(-1) + b

Multiply 2 * -1
3 = -2 + b

Solving
3 = -2 + 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.
3 + -1b = -2 + b + -1b

Combine like terms: b + -1b = 0
3 + -1b = -2 + 0
3 + -1b = -2

Add '-3' to each side of the equation.
3 + -3 + -1b = -2 + -3

Combine like terms: 3 + -3 = 0
0 + -1b = -2 + -3
-1b = -2 + -3

Combine like terms: -2 + -3 = -5
-1b = -5

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

Simplifying
b = 5

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