19a+2a+2a-18a+4a=18

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Solution for 19a+2a+2a-18a+4a=18 equation:



19a+2a+2a-18a+4a=18
We move all terms to the left:
19a+2a+2a-18a+4a-(18)=0
We add all the numbers together, and all the variables
9a-18=0
We move all terms containing a to the left, all other terms to the right
9a=18
a=18/9
a=2

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