Asked by sai
if 2x+y =14 and 4x+y = 20 , what is the value of 3x+y =?
Answers
Answered by
Ms. Sue
y = 14 - 2x
4x + 14 - 2x = 20
2x = 6
x = 3
~~~~~~~~~~~~~~~~~~~~
6 + y = 14
y = 8
9 + 8 = 17
4x + 14 - 2x = 20
2x = 6
x = 3
~~~~~~~~~~~~~~~~~~~~
6 + y = 14
y = 8
9 + 8 = 17
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