Question

решить уравнение
5x-150=0
2x+9=13-x
0,5a+11=4-3a

Answer 1

1)5x-150=0
5x=150
x=30
3)0.5a+11=4-3a
0.5a+3a=-11+4
3.5a=-7
a=-2

Answer 2

14-y=19-11y

Answer 3

14-y=19-11y
-y+11y=-14+19
10y=5
y=0.5

Answer 4

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Answer 5

5х-150=0
5х=150
х=150:5
х=30
проверка:
5*30-150=0
0=0

Answer 6

2x+9=13-x

Answer 7

14-y = 19-11y

Answer 8

1,2a-1=-1+a

Answer 9

Пожалуйста