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:
X= 2 and y = 3
Step-by-step explanation:
Answer:
the answer is D 1/27
Step-by-step explanation:
Commision equals percentage times the amount of money bought for the car. It will be 1.5% (0.015) * 22500. The answer is $337.50.