Question

3x+12=30, 5x-20=35, 10x+2=42, 2x+19=26, 10x-8=82. porfavor ayuda​

Answer 1

Explicación paso a paso:

3x+12=30

3x=30-12

3x=18

3x=18÷3

x=6

5x-20=35

5x=35+20

5x=55

x=55÷5

x=11

10x+2=42

10x=42-2

10x=40

x=40÷10

x=4

2x+19=26

2x=26-19

2x=7

x=7/2

x=3,5

10x-8=82

10x=82+8

10x=90

x=90÷10

x=9