Eva has read 141 pages and Liam has read 124 pages.
Step-by-step explanation:
Let,
Pages read by Eva = x
Pages read by Liam = y
According to given statement;
x+y=265 Eqn 1
y=x-17 Eqn 2
Putting value of y from Eqn 2 in Eqn 1
Dividing both sides by 2
Putting x=141 in Eqn 2
Eva has read 141 pages and Liam has read 124 pages.
Keywords: Linear equation, substitution method
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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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