-2(t-1)-20=-4(t+2)

Solution for -2(t-1)-20=-4(t+2) equation:

-2(t-1)-20=-4(t+2)

We move all terms to the left:

-2(t-1)-20-(-4(t+2))=0

We multiply parentheses

-2t-(-4(t+2))+2-20=0


We calculate terms in parentheses: -(-4(t+2)), so:

-4(t+2)

We multiply parentheses

-4t-8

Back to the equation:

-(-4t-8)


We add all the numbers together, and all the variables

-2t-(-4t-8)-18=0

We get rid of parentheses

-2t+4t+8-18=0

We add all the numbers together, and all the variables

2t-10=0

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

2t=10

t=10/2

t=5