5x+2x=4+5

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Solution for 5x+2x=4+5 equation: 



5x+2x=4+5

We move all terms to the left:

5x+2x-(4+5)=0

We add all the numbers together, and all the variables

5x+2x-9=0

We add all the numbers together, and all the variables

7x-9=0

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

7x=9

x=9/7

x=1+2/7

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