-13=-2(4)+b

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Solution for -13=-2(4)+b equation:


Simplifying
-13 = -2(4) + b

Multiply -2 * 4
-13 = -8 + b

Solving
-13 = -8 + 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.
-13 + -1b = -8 + b + -1b

Combine like terms: b + -1b = 0
-13 + -1b = -8 + 0
-13 + -1b = -8

Add '13' to each side of the equation.
-13 + 13 + -1b = -8 + 13

Combine like terms: -13 + 13 = 0
0 + -1b = -8 + 13
-1b = -8 + 13

Combine like terms: -8 + 13 = 5
-1b = 5

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

Simplifying
b = -5

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