umimgoingtofail umimgoingtofail
  • 30-01-2019
  • Mathematics
contestada

so I don't understand any of this, my lecture didn't explain how to solve this.

so I dont understand any of this my lecture didnt explain how to solve this class=

Respuesta :

batista68
batista68 batista68
  • 30-01-2019

Answer:

38.5

Step-by-step explanation:

Lets say, first number = x



Second number = 3x+7



Total = 49




(x)+(3x+7)= 49



4x+7 = 49



4x = 42



x = 42/4



x= 10.5




x= 10.5



3x+7 = 3(10.5)+7 = 38.5




Hope this helps!!

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