Question

Carilah nilai X yg benar
1.-3X-4=5
2.3(X-4)=3
3.2(X-4)+3=5
Bantu ya

Answer 1

1)
-3x-4=5
-3x=5+4
-3x=9
x=-3

2)
3(x-4)=3
3x-12 =3
3x=3+12
3x=15
x=5

3)
2(x-4)+3=5
2x-8 +3=5
2x=5-3+8
2x=10
x=5

Answer 2

1. -3x - 4 = 5
-3x = 5 + 4
-3x = 9
x = -3

2. 3(x-4)= 3
3x - 12 = 3
3x = 3+ 12
x = 15/3
x = 5

3. 2(x - 4) + 3 = 5
2x - 8 + 3 = 5
2x - 5 = 5
2x = 5 + 5
2x = 10
x = 5