5x+3=3x+7=90

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Solution for 5x+3=3x+7=90 equation: 



5x+3=3x+7=90

We move all terms to the left:

5x+3-(3x+7)=0

We get rid of parentheses

5x-3x-7+3=0

We add all the numbers together, and all the variables

2x-4=0

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

2x=4

x=4/2

x=2

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