18+21+17+x/4=20

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Solution for 18+21+17+x/4=20 equation:



18+21+17+x/4=20
We move all terms to the left:
18+21+17+x/4-(20)=0
We add all the numbers together, and all the variables
x/4+36=0
We multiply all the terms by the denominator
x+36*4=0
We add all the numbers together, and all the variables
x+144=0
We move all terms containing x to the left, all other terms to the right
x=-144

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