-5=3*0+b

Solution for -5=3*0+b equation:

Simplifying
-5 = 3 * 0 + b

Multiply 3 * 0
-5 = 0 + b

Anything times zero is zero.
-5 = 0 + b
Remove the zero:
-5 = b

Solving
-5 = 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.
-5 + -1b = b + -1b

Combine like terms: b + -1b = 0
-5 + -1b = 0

Add '5' to each side of the equation.
-5 + 5 + -1b = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1b = 0 + 5
-1b = 0 + 5

Combine like terms: 0 + 5 = 5
-1b = 5

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

Simplifying
b = -5