Solve the equation x-2.3 = 6.9 9.9x + 2 * 5 = 1000 4x-2 * 0.8 = 30.4 6.2-2 + 2x = 12.4

Solve the equation x-2.3 = 6.9 9.9x + 2 * 5 = 1000 4x-2 * 0.8 = 30.4 6.2-2 + 2x = 12.4

The first is 4.6
The second is 100
The third is 8
The fourth is 4.1