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0.5x+0.25(x+2)=4.22
We move all terms to the left:
0.5x+0.25(x+2)-(4.22)=0
We add all the numbers together, and all the variables
0.5x+0.25(x+2)-4.22=0
We multiply parentheses
0.5x+0.25x+0.5-4.22=0
We add all the numbers together, and all the variables
0.75x-3.72=0
We move all terms containing x to the left, all other terms to the right
0.75x=3.72
x=3.72/0.75
x=4+0.72/0.75
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