3t-12+(4-t)7=84

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Solution for 3t-12+(4-t)7=84 equation: 



3t-12+(4-t)7=84

We move all terms to the left:

3t-12+(4-t)7-(84)=0

We add all the numbers together, and all the variables

3t+(-1t+4)7-12-84=0

We add all the numbers together, and all the variables

3t+(-1t+4)7-96=0

We multiply parentheses

3t-7t+28-96=0

We add all the numbers together, and all the variables

-4t-68=0

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

-4t=68

t=68/-4

t=-17

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