1=3(-1)+b

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


Simplifying
1 = 3(-1) + b

Multiply 3 * -1
1 = -3 + b

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

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

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

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

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

Divide each side by '-1'.
b = 4

Simplifying
b = 4

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