Question

Jika f(x) = 2x+3 dan f(y) = x+7 .Nilai f(x) + f(y)=32. Nilai x yang benar adalah

Answer 1

Verified answer

2x+3+x+7=32
3x+10=32
3x=22
x=22/3
x= 7 1/3

Answer 2

Verified answer

Mapel : Matematika
Bab : Fungsi

f(x) = 2x + 3
f(y) = x + 7
        f(x) + f(y) = 32
 2x + 3 + x + 7 = 32
           3x + 10 = 32
                   3x = 32 - 10
                   3x = 22
                     x = 22/3
                     x = 7 1/3