1. MEDIUM

Find the value of \(z\) : \(6z - 5 = 2z + 7\)

 
2. MEDIUM

Find the value of \(x\) : \(4x + 2x + 8x = -7\)

  1. 2
  2. -0.5
  3. 0.5
  4. -2
  5. None of the above
 
3. MEDIUM

Find the value of \(a\) : \(7a - 5 = 3 - a\)