Question

21+2x>9x;9x>4x-25 ; 3x-10<_8x​

Answer 1

21+2×>9×

2x-9×>-21

7×>21

×>21÷7

×>3

9×>4×-25

9×-4×>-25

5×>25

×>25÷5

×>5

3×-10<_8×

3×-8×<_10

-5×<_10

×<_ -10÷5

×<_-2