Question

Jika 5+px=-7 untuk x=-3,maka nilai p adalah...

Answer 1

5-3p = -7
-3p = -12
p = 4

x disubtitusi pake -3
jadinya 5+(-3p) = -7 => 5-3p = -7

Answer 2

5+px=-7
5+p(-3)=-7
5-3p=-7
-3p=-7-5
-3p=-12
p=4