0.9(w+-20)=-7.2

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Solution for 0.9(w+-20)=-7.2 equation:



0.9(w+-20)=-7.2
We move all terms to the left:
0.9(w+-20)-(-7.2)=0
We add all the numbers together, and all the variables
0.9(w-20)-(-7.2)=0
We add all the numbers together, and all the variables
0.9(w-20)+7.2=0
We multiply parentheses
0.9w-18+7.2=0
We add all the numbers together, and all the variables
0.9w-10.8=0
We move all terms containing w to the left, all other terms to the right
0.9w=10.8
w=10.8/0.9
w=12

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