If y=2x+3, find y when x=5?

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Answer 1 · 2018-02-22T04:23:09

#y=13#

#2x# in this equation is the same as saying #2# times #x#, so where there is #an# #x#, you put a #5# there.

So you get this

#y = 2(5)+10#

Then

#10+3=13#

So

#y=13#

Answer 2 · 2018-02-22T04:23:13

#y=13# when #x=5#.

#y=2x+3#

#y=2(5)+3#

#y=10+3#

#y=13#

Answer 3 · 2018-02-22T04:26:10

#13#

#y=2x+3#

Plugging in for #x=5#, we get

#y=2*5+3#

#y=10+3#

#y=13#