Question

5 contoh soal dan penyelesaiannya persamaan linear satu variabel :)

Answer 1

2x + 3 = 13
2x = 13 - 3
2x = 10
x = 5

7a - 9 = 5 + 5a
7a - 5a = 5 + 9
2a = 14
a = 7

3y = 12 + 2y
3y - 2y = 12
y = 12

x + 8 = 2x
x - 2x = -8
-x = -8
x = 8

10b = 12b - 20
10b - 12b = -20
-2b = -20
b = 10