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3(2z-10)=-12
solve for z


Sagot :

Answer:3(2z-10)=-12

We move all terms to the left:

3(2z-10)-(-12)=0

We add all the numbers together, and all the variables

3(2z-10)+12=0

We multiply parentheses

6z-30+12=0

We add all the numbers together, and all the variables

6z-18=0

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

6z=18

z=18/6

z=3

Step-by-step explanation: