Selesaikan persamaan berikut dengan menambah atau mengurangi kedua ruas dengan bilangan yang sama a. x + 3 = -8 b.5x - 2 = 4x + 7 c. 6 + 3x = 18 d. 1/2 (x+5) = 1/3 (6x - 3) e. 3y = 2y - 18 pakai cara ya
viviafini
A. x + 3 = -8 x = -8 - 3 x = -11 b. 5x - 2 = 4x + 7 5x - 4x = 7 + 2 x = 9 c. 6 + 3x = 18 3x = 18 - 6 3x = 24 x = 24/3 x = 8 e. 3y = 2y - 18 3y - 2y = -18 y = -18
x = -8 - 3
x = -11
b. 5x - 2 = 4x + 7
5x - 4x = 7 + 2
x = 9
c. 6 + 3x = 18
3x = 18 - 6
3x = 24
x = 24/3
x = 8
e. 3y = 2y - 18
3y - 2y = -18
y = -18
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