4x-3*0+12=0

Solution for 4x-3*0+12=0 equation:

Simplifying
4x + -3 * 0 + 12 = 0

Multiply -3 * 0
4x + 0 + 12 = 0

Anything times zero is zero.
4x + 0 + 12 = 0

Reorder the terms:
0 + 12 + 4x = 0

Combine like terms: 0 + 12 = 12
12 + 4x = 0

Solving
12 + 4x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-12' to each side of the equation.
12 + -12 + 4x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = 0 + -12
4x = 0 + -12

Combine like terms: 0 + -12 = -12
4x = -12

Divide each side by '4'.
x = -3

Simplifying
x = -3