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-8(u+1.5)-7u=4.9
We move all terms to the left:
-8(u+1.5)-7u-(4.9)=0
We add all the numbers together, and all the variables
-7u-8(u+1.5)-4.9=0
We multiply parentheses
-7u-8u-12-4.9=0
We add all the numbers together, and all the variables
-15u-16.9=0
We move all terms containing u to the left, all other terms to the right
-15u=16.9
u=16.9/-15
u=-1+1/7.8947368421053
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