4.2z=-4(0.6z+1.2)

Solution for 4.2z=-4(0.6z+1.2) equation:

4.2z=-4(0.6z+1.2)

We move all terms to the left:

4.2z-(-4(0.6z+1.2))=0


We calculate terms in parentheses: -(-4(0.6z+1.2)), so:

-4(0.6z+1.2)

We multiply parentheses

-0z-4.8

We add all the numbers together, and all the variables

-1z-4.8

Back to the equation:

-(-1z-4.8)


We get rid of parentheses

4.2z+1z+4.8=0

We add all the numbers together, and all the variables

5.2z+4.8=0

We move all terms containing z to the left, all other terms to the right

5.2z=-4.8

z=-4.8/5.2

z=-2.6666666666667/2.8888888888889