-7v+3w=-60;7v+w=36

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Solution for -7v+3w=-60;7v+w=36 system of equations: 


  • /| 3*w-7*v+60 = 0| 7*v+w-36 = 0
  • We try to solve the equation: 3*w-7*v+60 = 0
  • 3*w-7*v+60 = 0 // - 60-7*v
  • 3*w = -(60-7*v) // : 3
  • w = (-(60-7*v))/3
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| (-(60-7*v))/3+7*v-36 = 0| w = (-(60-7*v))/3
  • (7*v-60)/3+7*v-36 = 0
  • 28/3*v-36-20 = 0
  • 28/3*v-56 = 0
  • 28/3*v-56 = 0 // + 56
  • 28/3*v = 56 // : 28/3
  • v = 56/28/3
  • v = 6
  • We insert the solution into one of the initial equations of our system of equations
  • For w = (-(60-7*v))/3: 
  • w = (-(60-7*6))/3
  • w = (-(60-42))/3
  • w = -18/3
  • w = -6
  • We get a system of equations:
  • /| w = -6| v = 6

 

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