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0.2(10x+21)=3.8(0.2x+5)
We move all terms to the left:
0.2(10x+21)-(3.8(0.2x+5))=0
We multiply parentheses
2x-(3.8(0.2x+5))+4.2=0
We calculate terms in parentheses: -(3.8(0.2x+5)), so:We get rid of parentheses
3.8(0.2x+5)
We multiply parentheses
0x+19
We add all the numbers together, and all the variables
x+19
Back to the equation:
-(x+19)
2x-x-19+4.2=0
We add all the numbers together, and all the variables
x-14.8=0
We move all terms containing x to the left, all other terms to the right
x=14.8
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