87+x/4=90

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Solution for 87+x/4=90 equation: 



87+x/4=90

We move all terms to the left:

87+x/4-(90)=0

We add all the numbers together, and all the variables

x/4-3=0

We multiply all the terms by the denominator


x-3*4=0

We add all the numbers together, and all the variables

x-12=0

We move all terms containing x to the left, all other terms to the right

x=12

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