Tentukan penyelesaiaan persamaan lineara. x-12 = 2x + 36b. -5x – 4r +10 = 1c. 2+ x/4 = 5
A. x – 12 + 12 = 2x + 36+12
X=2x-2x+48
x – 2x = 48
-x = 48
x = -48
b. -5x – 4x + 10 – 10 = 1 – 10
-9x : -9 = -9 : -9
x = 1
c. 2 + x/4
5 = 2 +3
x = 4 x 3
x = 12