8x+4+7x+4=143

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Solution for 8x+4+7x+4=143 equation: 



8x+4+7x+4=143

We move all terms to the left:

8x+4+7x+4-(143)=0

We add all the numbers together, and all the variables

15x-135=0

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

15x=135

x=135/15

x=9

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