Question

1. 5X + 4 = -7X – 8
2. 7X + 7 = 8X – 9
3. 3X + 12 = 12X + 10
4. 12X - 13 = 9X + 25
5. 12X + 15 = -10X – 18
ayudaaaaa

Answer 1

Explicación paso a paso:

1. 5X + 4 = -7X – 8

5X + 7X = -8 -4

12X= -12

X= -12/12

X= -1

2. 7X + 7 = 8X – 9

8X - 7X= 7 + 9

X=16

3. 3X + 12 = 12X + 10

12X-3X= 12-10

9X= 3

X= 3/9

4. 12X - 13 = 9X + 25

12X-9X=25+13

3X=38

X÷38/3

5. 12X + 15 = -10X – 18

12X+10X= -18-15

24X=33

X=33/24