2=0(4)+b

Solution for 2=0(4)+b equation:

Simplifying
2 = 0(4) + b

Multiply 0 * 4
2 = 0 + b

Anything times zero is zero.
2 = 0 + b
Remove the zero:
2 = b

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

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

Add '-2' to each side of the equation.
2 + -2 + -1b = 0 + -2

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

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

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

Simplifying
b = 2