0,6х+7

Question

0,6х+7<х+9 помогите 0,6х-9<х-7

Answer 1

2 \div ( - 0.4) \\ x > - 5 \\ \\ 0.6x - 9 < x - 7 \\ 0.6x - x < - 7 + 9 \\ - 0.4x < 2 \\ x > - 5" alt="0.6x + 7 < x + 9 \\ 0.6x - x < 9 - 7 \\ - 0.4x < 2 \\ x > 2 \div ( - 0.4) \\ x > - 5 \\ \\ 0.6x - 9 < x - 7 \\ 0.6x - x < - 7 + 9 \\ - 0.4x < 2 \\ x > - 5" align="absmiddle" class="latex-formula">