7(t-3)=45-3(45+t)

Solution for 7(t-3)=45-3(45+t) equation:

7(t-3)=45-3(45+t)

We move all terms to the left:

7(t-3)-(45-3(45+t))=0

We add all the numbers together, and all the variables

7(t-3)-(45-3(t+45))=0

We multiply parentheses

7t-(45-3(t+45))-21=0


We calculate terms in parentheses: -(45-3(t+45)), so:

45-3(t+45)

determiningTheFunctionDomain
-3(t+45)+45

We multiply parentheses

-3t-135+45

We add all the numbers together, and all the variables

-3t-90

Back to the equation:

-(-3t-90)


We get rid of parentheses

7t+3t+90-21=0

We add all the numbers together, and all the variables

10t+69=0

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

10t=-69

t=-69/10

t=-6+9/10