Add. Simplify, if possible.
-$\frac{7}{x+y}+\frac{8}{y+x}$
A) $\frac{-1}{x+y}$
B) $\frac{15}{2 x+2 y}$
C) $\frac{15}{x+y}$
D) $\frac{7}{x}+\frac{8}{y}$

Name: Add. Simplify, if possible. -$\frac{7}{x+y}+\frac{8}{y+x}$ A) $\frac{-1}{x+y}$ B) $\frac{15}{2 x+2 y}$ C) $\frac{15}{x+y}$ D) $\frac{7}{x}+\frac{8}{y}$
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Question

Quizplus · Accepted Answer

Since $x + y$ and $y + x$ are equivalent (due to the commutative property of addition), the fractions can be combined directly to get $\frac{7 + 8}{x + y} = \frac{15}{x + y}$.

Add Simplify, If Possible 7x+y+8y+x\frac{7}{x+y}+\frac{8}{y+x}x+y7​+y+x8​ A) −1x+y\frac{-1}{x+y}x+y−1​ B) 152x+2y\frac{15}{2 x+2 y}2x+2y15​ C) 15x+y\frac{15}{x+y}x+y15​ D) 7x+8y\frac{7}{x}+\frac{8}{y}x7​+y8​

Add Simplify, If Possible $\frac{7}{x+y}+\frac{8}{y+x}$ A) $\frac{-1}{x+y}$ B) $\frac{15}{2 x+2 y}$ C) $\frac{15}{x+y}$ D) $\frac{7}{x}+\frac{8}{y}$