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Identify the properties used.

2y=

y=

qquad

qquad 4
4. 
(n)/(4)-2=10

(n)/(4)=

qquad

qquad

n=

qquad

Identify the properties used.\newline2y= 2 y= \newliney= y= \newline \qquad \newline \qquad 44\newline44. n42=10 \frac{n}{4}-2=10 \newlinen4= \frac{n}{4}= \newline \qquad \newline \qquad \newlinen= n= \newline \qquad

Full solution

Q. Identify the properties used.\newline2y= 2 y= \newliney= y= \newline \qquad \newline \qquad 44\newline44. n42=10 \frac{n}{4}-2=10 \newlinen4= \frac{n}{4}= \newline \qquad \newline \qquad \newlinen= n= \newline \qquad
  1. Apply Transitive Property: First, let's look at the expression 2y=y=42y = y = 4. This uses the Transitive Property of Equality, which states if a=ba = b and b=cb = c, then a=ca = c. So if 2y=42y = 4 and y=4y = 4, then 2y=y2y = y.
  2. Solve for y: Now let's solve for y. If 2y=42y = 4, then y=4/2y = 4 / 2, which means y=2y = 2.
  3. Isolate n term: Next, we have (n)/(4)2=10(n)/(4) - 2 = 10. To solve for n, first add 22 to both sides to isolate the term with n. So, (n)/(4)2+2=10+2(n)/(4) - 2 + 2 = 10 + 2, which gives us (n)/(4)=12(n)/(4) = 12.
  4. Multiply to solve for n: Now, multiply both sides by 44 to solve for nn. So, n4×4=12×4\frac{n}{4} \times 4 = 12 \times 4, which means n=48n = 48.