Question

a) 38 + x = 51; 6) 2x + 3 - x = 15; B) 75 - y = 28; r) 7 + 3y + 2y - 1 = 46
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Answer 1

Ответ:

Пошаговое объяснение:

Answer 2

a) 38 + x = 51
x = 51 - 38
x = 13
б) 2x + 3 - x = 15
x + 3 = 15

x = 15 - 3
x = 12
в) 75 - y = 28
-y = 28 - 75
-y = - 47
y = 47
г) 7 + 3y + 2y - 1 = 46
(7-1) + (3y+2y) = 46
6 + 5y = 46
5y = 46 - 6
5y = 40
y = 40:5
y = 8