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2.1(0.3x+2.4)+1.7(2.1-1.3x)=7.05
We move all terms to the left:
2.1(0.3x+2.4)+1.7(2.1-1.3x)-(7.05)=0
We add all the numbers together, and all the variables
2.1(0.3x+2.4)+1.7(-1.3x+2.1)-(7.05)=0
We add all the numbers together, and all the variables
2.1(0.3x+2.4)+1.7(-1.3x+2.1)-7.05=0
We multiply parentheses
0x-1.7x+5.04+3.57-7.05=0
We add all the numbers together, and all the variables
-0.7x+1.56=0
We move all terms containing x to the left, all other terms to the right
-0.7x=-1.56
x=-1.56/-0.7
x=2+0.16/0.7
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