(5.30x+2.50x)=55.20

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Solution for (5.30x+2.50x)=55.20 equation: 



(5.30x+2.50x)=55.20

We move all terms to the left:

(5.30x+2.50x)-(55.20)=0

We add all the numbers together, and all the variables

(+7.8x)-(55.2)=0

We add all the numbers together, and all the variables

(+7.8x)-55.2=0

We get rid of parentheses

7.8x-55.2=0

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

7.8x=55.2

x=55.2/7.8

x=7+0.6/7.8

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