DemoChecker Inequalities

Automatic Checking

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Try the automatic checker!

Check if the example is correctly calculated

Then replace it with your own calculation.

You have access to 5 free demo checks every hour.

{ "type": "solutionelement", "name": "solutionelement-checkerdemo", "metadata": {}, "data": { "contents": [{"id": "sdelement-demodata"}], "contentdata": { "sdelement-demodata": { "type": "sdelement", "name": "sdelement-demodata", "metadata": { "creator": "onlineuser", "created": "Fri Nov 09 2018 08:33:55 GMT+0000 (UTC)", "modifier": "onlineuser", "modified": 1558680157311, "tags": [], "lang": "common", "removed": false }, "data": { "dstepdata": { "task-onlineuser-20181109083502903-853": { "readonly": false, "task": [], "assumption": [], "observation": [], "derivmotivation": [], "term": [ { "text": "5\\left(x-3\\right)\\le15", "readonly": false, "fillable": false, "attrs": {} }, { "text": "5x-15\\le15", "readonly": false, "fillable": false, "attrs": {} }, { "text": "5x\\le30", "readonly": false, "fillable": false, "attrs": {} }, { "text": "x\\le6", "readonly": false, "fillable": false, "attrs": {} } ], "relation": [ { "text": "\\Leftrightarrow", "readonly": false, "fillable": false, "attrs": {} }, { "text": "\\Leftrightarrow", "readonly": false, "fillable": false, "attrs": {} }, { "text": "\\Leftrightarrow", "readonly": false, "fillable": false, "attrs": {} } ], "motivation": [ { "text": "simplify", "readonly": false, "fillable": false, "subshidden": false, "subderiv": [], "attrs": {} }, { "text": "add 15 to both sides", "readonly": false, "fillable": false, "subshidden": false, "subderiv": [], "attrs": {} }, { "text": "divide both sides with 5", "readonly": false, "fillable": false, "subshidden": false, "subderiv": [], "attrs": {} } ] } }, "caption": { "text": "Example solution:", "readonly": true, "fillable": false, "attrs": {} }, "dsteps": [ { "id": "task-onlineuser-20181109083502903-853", "type": "task" } ] } } } } }

Inequalities

Check if the inequalities example to the left is calculated correctly. You can exchange it with your own calculation, and check that one as well.

Try other examples

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Use the checker always when practicing math