1) (127+p)-89=1009127 + p - 89 = 1009127 + p = 1098p = 1098 - 127p = 971
2) (x-315)-27=36x - 315 - 27 = 36x - 342 = 36x = 36 + 342x = 378
Упростите выражение:3) 234 - 45 + 25a - 13a234 - 45 + 25a - 13a189 + 12a
4) 73 + 4a - 22 + 6a73 + 4a - 22 + 6a51 + 10a
5) 55 - 23 + a + 2055 - 23 + a + 2032 + a + 2052 + a
6) 542 + 3a - 222 + 43 - a542 + 3a - 222 + 43 - a320 + 2a
1) (127+p)-89=1009
127 + p - 89 = 1009
127 + p = 1098
p = 1098 - 127
p = 971
2) (x-315)-27=36
x - 315 - 27 = 36
x - 342 = 36
x = 36 + 342
x = 378
Упростите выражение:
3) 234 - 45 + 25a - 13a
234 - 45 + 25a - 13a
189 + 12a
4) 73 + 4a - 22 + 6a
73 + 4a - 22 + 6a
51 + 10a
5) 55 - 23 + a + 20
55 - 23 + a + 20
32 + a + 20
52 + a
6) 542 + 3a - 222 + 43 - a
542 + 3a - 222 + 43 - a
320 + 2a