-2(3x+7)=4(x-2)-1 PAKAI cara ya tolong!!

Kelas 7 Matematika
Bab Persamaan Linear

-2 (3x + 7) = 4 (x - 2) - 1
-6x - 14 = 4x - 8 - 1
-6x - 4x = -9 + 14
-10x = 5
x = 5/-10
x = -1/2

-2(3x + 7) = 4(x - 2) - 1
-6x - 14 = 4x - 8 -1
-10x = -9 + 14
-10x = 5
x = 5/-10
x = -½