3x+4+5x+6=42

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Solution for 3x+4+5x+6=42 equation: 



3x+4+5x+6=42

We move all terms to the left:

3x+4+5x+6-(42)=0

We add all the numbers together, and all the variables

8x-32=0

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

8x=32

x=32/8

x=4

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