-13=-5(3)+b

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Solution for -13=-5(3)+b equation:


Simplifying
-13 = -5(3) + b

Multiply -5 * 3
-13 = -15 + b

Solving
-13 = -15 + 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 = -15 + b + -1b

Combine like terms: b + -1b = 0
-13 + -1b = -15 + 0
-13 + -1b = -15

Add '13' to each side of the equation.
-13 + 13 + -1b = -15 + 13

Combine like terms: -13 + 13 = 0
0 + -1b = -15 + 13
-1b = -15 + 13

Combine like terms: -15 + 13 = -2
-1b = -2

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

Simplifying
b = 2

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