4(t+7)=21

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Solution for 4(t+7)=21 equation: 



4(t+7)=21

We move all terms to the left:

4(t+7)-(21)=0

We multiply parentheses

4t+28-21=0

We add all the numbers together, and all the variables

4t+7=0

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

4t=-7

t=-7/4

t=-1+3/4

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