Question

Persamaan Linear
1. t+(-2)=-15
2. b+(-1)=-9
3. z+5=-21
4. 2y=y+4
5. 21+q=75
6. x+(-7)=13
Mohon jawabannya

Answer 1

1. t+(-2)=-15
  t-2=-15
  t= -15+2
  t=-13
2. b+(-1)=-9
   b-1=-9
   b=-9+1
   b=-8
3.z+5=-21
  z= -21-5
  z=-26
4.2y=y+4
  2y-y=4
       y=4
5.21+x=75
   x=75-25
   x=50
6.x+(-7)=13
  x-7=13
  x=13+7
  x=20