C\rDE?F6G= IE?F6G\r2x = 10 + 30\r2x - 40\rx = 20\r!>@AB20C.\r0@ J#K/L56)7M>DE?F6G=I E?F6G?@ABx CN.9;< !\rO/.\r#$%9;< PQ#,)*J#KS:T"U6)7?VWUXx ,Y9;< Z[#.\r99 . 12324?56)789:;<.\rH I J 42K L M 3zK\r-----A ________ 4\r >\]:?^U+ `a?^U= b^U\r3% + 42 = 141\r3x = 99\r% = 33\r!>`a& 33^.\r0@ J#K/L56)7M>\]:?^U+`a?^U=b^U?`a& 3x^N.9;\r< !O/.\r#$%9;< PQ#)*J#KS:T"U6)7?VWUXx ,Y9;< Z[#.\r100 .12324?56)789:;<. , , 4\rQ 0\r4 N “P 8 P\r_______e_______j\r20N\r >2 fg?hU+1ij?hU=bk20l\r2% + 8 = 20.\r2x = 12\rx = 6\r!>@fg6 l.\rm>J#K/L56)7M>2 fg?hU+1ij?hU= bk20lN.9;< !O\r/.\r#$%9;< PQ#,)*J#KS:T"U6)7?VWUXx ,Y9;< Z[#.