Automatic Checking
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.