1)349-(x+16)=254
349 – x – 16 = 254
– x = 254 + 16 – 349
-x = -79
x = 79
2)(1135-x)-254=832
1135 – x – 254 = 832
– x = 832 + 254 – 1135
-x = -49
x = 49
3) 1254- x-144=863
– x = 863 + 144 – 1254
-x = -247
x = 247
4)545+(959-x)=968
545 + 959 – x = 968
– x = 968 – 959 – 545
-x = -536
x = 536
5)258+x-164=564
x = 564 + 164 – 258
x = 470
1)349-(x+16)=254
349 – x – 16 = 254
– x = 254 + 16 – 349
-x = -79
x = 79
2)(1135-x)-254=832
1135 – x – 254 = 832
– x = 832 + 254 – 1135
-x = -49
x = 49
3) 1254- x-144=863
– x = 863 + 144 – 1254
-x = -247
x = 247
4)545+(959-x)=968
545 + 959 – x = 968
– x = 968 – 959 – 545
-x = -536
x = 536
5)258+x-164=564
x = 564 + 164 – 258
x = 470