meerkat18
meerkat18 meerkat18
  • 11-12-2016
  • Mathematics
contestada

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

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SJ2006
SJ2006 SJ2006
  • 11-12-2016
Substitute the value of y = 3 into the expression,
7x + 2y = 48
7x + 2(3) = 48
7x = 48 - 6
7x = 42
x = 42/7
x = 6

So, your final answer is 6

Hope this helps!
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sillyplayerx sillyplayerx
  • 11-12-2016
7x+2(3)=48
Soo its 7x+6=48
U put the 6 to the other side it becomes subtraction.
=7x=48-6=7x=42
To find x=42/7
Soo x=6
Answer Link

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