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kaylaakayy kaylaakayy
  • 13-06-2016
  • Mathematics
Answered

What is the value of x in the equation 7x + 2y = 48 , when y = 3?

Verified Answer :

TrisNicole
TrisNicole TrisNicole
  • 13-06-2016

7x + 2y = 48

7x + (2x3) =48
7x + 6 = 48
7x = 48 - 6
7x = 42

--> x = 6

Answer Link
giovannaarquilla
giovannaarquilla giovannaarquilla
  • 13-06-2016

Plug in 3 for y.
7x+2(3)=48

Multiply
7x+6=48

Subtract 6

7x=42

Divide by 7

x=6

Answer Link

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