Jos donut express earned 4,378 at a festival by selling chocolate or vanilla donuts for 2 dollars each if they sold 978 chocolat
2 answers:
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If you move the negative on the left side of the second equation over to the right side, then we can see that the equation is equivalent to 
.
Remember that an equation
represents a line with slope 
and y-intercept 
. Since both equations given have a slope of -2, but have different y-intercepts, they are parallel.
Remember that an equation