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": {},
"data": {
"dstepdata": {
"stask-onlineuser-20180913174900874-366": {
"readonly": false,
"task": [],
"assumption": [],
"observation": [],
"derivmotivation": [],
"term": [
{
"text": "4x+2=3-2\\left(x+4\\right)",
"readonly": false,
"fillable": false,
"attrs": {}
},
{
"text": "4x+2=3-2x-8",
"readonly": false,
"fillable": false,
"attrs": {}
},
{
"text": "4x+2x=3-2-8",
"readonly": false,
"fillable": false,
"attrs": {}
},
{
"text": "6x=-7",
"readonly": false,
"fillable": false,
"attrs": {}
},
{
"text": "x=-\\frac{7}{6}",
"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": {}
},
{
"text": "\\Leftrightarrow",
"readonly": false,
"fillable": false,
"attrs": {}
}
],
"motivation": [
{
"text": "calculate parenthesis",
"readonly": false,
"fillable": false,
"subshidden": false,
"subderiv": [],
"attrs": {}
},
{
"text": "add $2x-2$ to both sides",
"readonly": false,
"fillable": false,
"subshidden": false,
"subderiv": [],
"attrs": {}
},
{
"text": "calculate",
"readonly": false,
"fillable": false,
"subshidden": false,
"subderiv": [],
"attrs": {}
},
{
"text": "divide",
"readonly": false,
"fillable": false,
"subshidden": false,
"subderiv": [],
"attrs": {}
}
]
}
},
"caption": {
"text": "Example solution:",
"readonly": true,
"fillable": false,
"attrs": {}
},
"dsteps": [
{
"id": "stask-onlineuser-20180913174900874-366",
"type": "task"
}
]
}
}
}
}
}
First Degree Equation
Check if the first degree equation example to the left is calculated correctly. You can exchange it with your own calculation, and check that one as well.