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20*30=7x-11*4x-2
We move all terms to the left:
20*30-(7x-11*4x-2)=0
We add all the numbers together, and all the variables
-(7x-11*4x-2)+600=0
We get rid of parentheses
-7x+11*4x+2+600=0
We add all the numbers together, and all the variables
-7x+11*4x+602=0
Wy multiply elements
-7x+44x+602=0
We add all the numbers together, and all the variables
37x+602=0
We move all terms containing x to the left, all other terms to the right
37x=-602
x=-602/37
x=-16+10/37
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