5x+4x+3=90

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Solution for 5x+4x+3=90 equation: 



5x+4x+3=90

We move all terms to the left:

5x+4x+3-(90)=0

We add all the numbers together, and all the variables

9x-87=0

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

9x=87

x=87/9

x=9+2/3

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