a.x + 2= 5 b.k =15 c.t² +2=8 d.x + 10 - 16=5

a. 3
b. 15
c. 2
d. 11
#MAAF JIKA SALAH

Bab Aljabar
Matematika SMP Kelas VIII

a] x + 2 = 5
x = 5 - 2
x = 3

b] k = 15

c] t² + 2 = 8
t² + 2 - 8 = 0
t² - 6 = 0
(t + √6) (t - √6) = 0
t + √6 = 0
t = -√6

t - √6 = 0
t = √6

d] x + 10 - 16 = 5
x - 6 = 5
x = 5 + 6
x = 11