Решите уравнение: |х|=7 |х+9|=0 |х+1|=5

Question

Решите уравнение: |х|=7 |х+9|=0 |х+1|=5

Answer 1

x1=-7;x2=7" alt="|x|=7=> x1=-7;x2=7" align="absmiddle" class="latex-formula">

x=-9" alt="|x+9|=0=>x=-9" align="absmiddle" class="latex-formula">

x1=-6;x2=4" alt="|x+1|=5=>x1=-6;x2=4" align="absmiddle" class="latex-formula">

Answer 2

Х=7 х+9=0 х+1=5
х+9=0
х=0-9
х=-9
-9+9=0