Question

Can somebody help me please!

Given m || n, find the value of x, and y

Answer 1

Check the picture below.

`(2x+3)+(6x+9)=180\implies 8x+12=180\implies 8x=168 \\\\\\ x=\cfrac{168}{8}\implies \boxed{x=21} \\\\[-0.35em] ~\dotfill\\\\ 4y-7=2x+3\implies 4y-7=2(21)+3\implies 4y-7=42+3 \\\\\\ 4y-7=45\implies 4y=52\implies y=\cfrac{52}{4}\implies \boxed{y=13}`