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w=5/2*39+7.1
We move all terms to the left:
w-(5/2*39+7.1)=0
We get rid of parentheses
w-7.1-5/2*39=0
We multiply all the terms by the denominator
w*2*39-5-(7.1)*2*39=0
We add all the numbers together, and all the variables
w*2*39-558.8=0
Wy multiply elements
78w*3-558.8=0
Wy multiply elements
234w-558.8=0
We move all terms containing w to the left, all other terms to the right
234w=558.8
w=558.8/234
w=2+4.8297872340426/12.446808510638
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