43=4u+7

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Solution for 43=4u+7 equation: 



43=4u+7

We move all terms to the left:

43-(4u+7)=0

We get rid of parentheses

-4u-7+43=0

We add all the numbers together, and all the variables

-4u+36=0

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

-4u=-36

u=-36/-4

u=+9

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