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3.24-0.2k=2.8(4.7-4.5k)
We move all terms to the left:
3.24-0.2k-(2.8(4.7-4.5k))=0
We add all the numbers together, and all the variables
-0.2k-(2.8(-4.5k+4.7))+3.24=0
We calculate terms in parentheses: -(2.8(-4.5k+4.7)), so:We get rid of parentheses
2.8(-4.5k+4.7)
We multiply parentheses
-11.2k+13.16
Back to the equation:
-(-11.2k+13.16)
-0.2k+11.2k-13.16+3.24=0
We add all the numbers together, and all the variables
11k-9.92=0
We move all terms containing k to the left, all other terms to the right
11k=9.92
k=9.92/11
k=5.1666666666667/5.7291666666667
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