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-4l+5(190-2l)=-39.8
We move all terms to the left:
-4l+5(190-2l)-(-39.8)=0
We add all the numbers together, and all the variables
-4l+5(-2l+190)-(-39.8)=0
We add all the numbers together, and all the variables
-4l+5(-2l+190)+39.8=0
We multiply parentheses
-4l-10l+950+39.8=0
We add all the numbers together, and all the variables
-14l+989.8=0
We move all terms containing l to the left, all other terms to the right
-14l=-989.8
l=-989.8/-14
l=70+5.4444444444446/7.777777777778
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