{% extends "linear_equations_1.html" %}

{% block generateequation %}

//generate the left and right terms for the first degree linear equations
var left_x_coefficients;
var right_x_coefficients;
var left_constants;
var right_constants;

function generateExercise()
{
        left_x_coefficients= new Array();
        right_x_coefficients= new Array();
        left_constants = new Array();
        right_constants = new Array();

	left_x_coefficients[0]= get_random();
	right_x_coefficients[0]= get_random();
	left_constants[0]= get_random();
	right_constants[0]= get_random();

	if (Math.abs(get_random())<4) //30% chance
	{
		leftInvert = true;
		leftMultiplier = get_random();
		if (Math.abs(get_random())<6) //50% chance
		{
			rightInvert = true;
			rightMultiplier = get_random();
		}
	}
	

	if (leftInvert==false && rightInvert==false)
	{
		if (get_random()>get_random()) //50% chance
		{
			left_x_coefficients[1]=get_random();
		}
		if (get_random()>get_random()) //50% chance
		{
			right_x_coefficients[1]=get_random();
		}
		if (get_random()>get_random()) //50% chance
		{
			left_constants[1]=get_random();
		}
		if (get_random()>get_random()) //50% chance
		{
			right_constants[1]=get_random();
		}
	}
}

generateExercise();
while(array_sum(left_x_coefficients)==array_sum(right_x_coefficients))
	generateExercise();

{% endblock generateequation %}