The equality used is Subtraction property of equality
Option A is correct
Step-by-step explanation:
We need to identify which option best explains or justifies Step 1.
Step 1 is: 
The given equation is: 
To get the equation for step 1 we need to subtract c on both sides of equation i.e using subtraction property of equality


So, The equality used is Subtraction property of equality
Option A is correct.
Keywords: Solving Quadratic Equations
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Answer:
Uhm, I don't think so could you payed for braces or your insurance paid for them.
1 is the answer. You put the places in a chart, stem and leaf plot I think its called, look in up up like for another example because it/s been awhile since I learned this
Just write all of that but instead of in the box between each statement and reason write if then