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0.6x-0.5(30+x)=-0.4(30)
We move all terms to the left:
0.6x-0.5(30+x)-(-0.4(30))=0
We add all the numbers together, and all the variables
0.6x-0.5(x+30)-(-0.43)=0
We add all the numbers together, and all the variables
0.6x-0.5(x+30)+0.43=0
We multiply parentheses
0.6x-0.5x-15+0.43=0
We add all the numbers together, and all the variables
0.1x-14.57=0
We move all terms containing x to the left, all other terms to the right
0.1x=14.57
x=14.57/0.1
x=145+0.07/0.1
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