\( 73+(8 Y-7)+(6 X+4)=180 \)
\(6x + 8y = 110\)
Step 1 :\(73 + (8y - 7) + (6x + 4) = 180\)
Step 2 :\(6x + 8y + 73 - 7 + 4 = 180\)
Step 3 :\(6x + 8y = 110\)