Hi,

6x+7x = 52

  13x = 52

    x = 52/13 = 4 

RELATED QUESTIONS

7x+6x
 (answered by jim_thompson5910)

Solve.	7x + 7 = 6x

 (answered by checkley71)

6X squared + 7X = 3
 (answered by jim_thompson5910)

6x+2x=7x+1 (answered by baholik06)

7x^-8 *... (answered by jim_thompson5910)

6x³ +5x²... (answered by checkley77)

6x³ +5x²... (answered by checkley77)

-7x-1-6x-5 (answered by jim_thompson5910)

7x+8h-6x+11h (answered by Fombitz)