(7x+23)+(21x-19)=180

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Solution for (7x+23)+(21x-19)=180 equation: 



(7x+23)+(21x-19)=180

We move all terms to the left:

(7x+23)+(21x-19)-(180)=0

We get rid of parentheses

7x+21x+23-19-180=0

We add all the numbers together, and all the variables

28x-176=0

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

28x=176

x=176/28

x=6+2/7

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