Respuesta :

Answer: 1. x=4

2. x=12

3. x=-1

Step-by-step explanation:

1. 2(3x-5)=-4x+30

6x-10=-4x+30

6x+4x-10=-4x+4x+30

10x-10=30

10x-10+10=30+10

10x=40

10x/10=40/10

x=4

2. 5x-6-3x=18

5x-3x-6=18

2x-6=18

2x-6+6=18+6

2x=24

2x/2=24/2

x=12

3. -11-5x=6(5x+4)

-11-5x=30x+24

-11-5x+5x=30x+5x+24

-11=35x+24

-11-24=35x+24-24

-35=-35x

x=-1
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