Question

помогитееее пожалуйстааа ​

Answer 1

$2. \\ a)( - 5) + 6 = 1 \\ b) - \frac{3}{5} + \frac{8}{9} = \frac{ - 27 + 40}{45} = \frac{13}{45} = 0.28$

$3. \\ - 3 - ( - 1.7) = - 1.3$

$4. \\ ( - 8) - ( - 4) + 3 + ( - 4.7) = 5.7$

$5. \\ ( - 2) + x - ( - 3) = 5 \\ - 2 + x + 3 = 5 \\ 1 + x = 5 \\ x = 5 - 1 \\ x = 4$