1.

If y equals to 3 X + 4 and Y=19 then find y value​

Answer»

here , y=3x+4

y=19

so

substitute the VALUE

y=3x+4

19=3x+4

19-4=3x

15=3x

x=15/3

=5

again substitute the value

y=3x+4

y=3*5+4

y=19

you have ALREADY given y=19

and this is the proof for it .

HOPE it helps you



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