74x=387-55x

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Solution for 74x=387-55x equation: 



74x=387-55x

We move all terms to the left:

74x-(387-55x)=0

We add all the numbers together, and all the variables

74x-(-55x+387)=0

We get rid of parentheses

74x+55x-387=0

We add all the numbers together, and all the variables

129x-387=0

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

129x=387

x=387/129

x=3

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