0.7x+0.3(20)=0.5(x+30)

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Solution for 0.7x+0.3(20)=0.5(x+30) equation:



0.7x+0.3(20)=0.5(x+30)
We move all terms to the left:
0.7x+0.3(20)-(0.5(x+30))=0
We add all the numbers together, and all the variables
0.7x-(0.5(x+30))+0.32=0
We calculate terms in parentheses: -(0.5(x+30)), so:
0.5(x+30)
We multiply parentheses
0.5x+15
Back to the equation:
-(0.5x+15)
We get rid of parentheses
0.7x-0.5x-15+0.32=0
We add all the numbers together, and all the variables
0.2x-14.68=0
We move all terms containing x to the left, all other terms to the right
0.2x=14.68
x=14.68/0.2
x=73+0.079999999999998/0.2

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