1) y-286=342×2
y-286=684
y-970 = 0
y = 970
2)x+278=600+329
x = 329 + 600 – 278
x = 651
4) 900-y=5+4-196
– y = – 196 + 4 + 5 – 900
-y = -1087
y = 1087
1) y-286=342×2
y-286=684
y-970 = 0
y = 970
2)x+278=600+329
x = 329 + 600 – 278
x = 651
4) 900-y=5+4-196
– y = – 196 + 4 + 5 – 900
-y = -1087
y = 1087