1.2(-3z+3)-4.2z=

Solution for 1.2(-3z+3)-4.2z= equation:

Simplifying
1.2(-3z + 3) + -4.2z = 0

Reorder the terms:
1.2(3 + -3z) + -4.2z = 0
(3 * 1.2 + -3z * 1.2) + -4.2z = 0
(3.6 + -3.6z) + -4.2z = 0

Combine like terms: -3.6z + -4.2z = -7.8z
3.6 + -7.8z = 0

Solving
3.6 + -7.8z = 0

Solving for variable 'z'.

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

Add '-3.6' to each side of the equation.
3.6 + -3.6 + -7.8z = 0 + -3.6

Combine like terms: 3.6 + -3.6 = 0.0
0.0 + -7.8z = 0 + -3.6
-7.8z = 0 + -3.6

Combine like terms: 0 + -3.6 = -3.6
-7.8z = -3.6

Divide each side by '-7.8'.
z = 0.4615384615

Simplifying
z = 0.4615384615