K+20=t solve for the letter k

t-20

Step-by-step explanation:

k+20=t

Subtract 20 from both sides:

k= t-20

K=t-20

Step-by-step explanation:

20=K

We move all terms to the left:

20-(K)=0

We add all the numbers together, and all the variables

1K+20=0

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

K=-20

K=-20/-1

K=t-20

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.