(90+a)+3a=360

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Solution for (90+a)+3a=360 equation: 



(90+a)+3a=360

We move all terms to the left:

(90+a)+3a-(360)=0

We add all the numbers together, and all the variables

(a+90)+3a-360=0

We add all the numbers together, and all the variables

3a+(a+90)-360=0

We get rid of parentheses

3a+a+90-360=0

We add all the numbers together, and all the variables

4a-270=0

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

4a=270

a=270/4

a=67+1/2

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