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x=4+0.2/0.7
We move all terms to the left:
x-(4+0.2/0.7)=0
We add all the numbers together, and all the variables
x-(0.2/0.7+4)=0
We get rid of parentheses
x-4-0.2/0.7=0
We multiply all the terms by the denominator
x*0.7-0.2-4*0.7=0
We add all the numbers together, and all the variables
x*0.7-3=0
Wy multiply elements
0.7x-3=0
We move all terms containing x to the left, all other terms to the right
0.7x=3
x=3/0.7
x=4+0.2/0.7
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