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-21/2+k=-35/7
We move all terms to the left:
-21/2+k-(-35/7)=0
We add all the numbers together, and all the variables
k-21/2-(-5)=0
We add all the numbers together, and all the variables
k+5-21/2=0
We multiply all the terms by the denominator
k*2-21+5*2=0
We add all the numbers together, and all the variables
k*2-11=0
Wy multiply elements
2k-11=0
We move all terms containing k to the left, all other terms to the right
2k=11
k=11/2
k=5+1/2
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