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6.2x+5-1.4x=21.6-3.5x
We move all terms to the left:
6.2x+5-1.4x-(21.6-3.5x)=0
We add all the numbers together, and all the variables
6.2x-1.4x-(-3.5x+21.6)+5=0
We add all the numbers together, and all the variables
4.8x-(-3.5x+21.6)+5=0
We get rid of parentheses
4.8x+3.5x-21.6+5=0
We add all the numbers together, and all the variables
8.3x-16.6=0
We move all terms containing x to the left, all other terms to the right
8.3x=16.6
x=16.6/8.3
x=2
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