42=4t+3t

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Solution for 42=4t+3t equation: 



42=4t+3t

We move all terms to the left:

42-(4t+3t)=0

We add all the numbers together, and all the variables

-(+7t)+42=0

We get rid of parentheses

-7t+42=0

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

-7t=-42

t=-42/-7

t=+6

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