Question

0.02x - 4 - 0.01x - 2 = - 6.3

Answer 1

x = -30

First combine like terms (0.02x - 0.01x = 0.01x) (-4 - 2 = -6)
0.01x - 6 = -6.3
Then add 6 (-6 + 6 = 0) (-6.3 + 6 = -0.3)

0.01x = -0.3
Then divide by 0.01 to find what x is alone  (0.01x ÷ 0.01 = x) (-0.3 ÷ 0.01 = -30)

x=-30