carilah nilai X ,gunakan caranya

1. 3x-5=-4x-6
3x+4x=-6+5
7x =-1
X = -1/7

1) 3x - 5 = -4x - 6
=> 3x + 4x = -6 + 5
=> 7x = -1
=> x = -1/7

2) x - 3/4 = 2/3 x - 0,75 + 2x ==> kedua ruas kali 12
12(x - 3/4) = 12(2/3 x - 0,75 + 2x)
12x - 9 = 8x - 9 + 24x
12x - 8x - 24x = -9 + 9
-20x = 0
x = 0