Question

-2x+6=x-36

2x-13=4x-9

7x+23=3x+47

4x-42=-x+8

Porfavor contestenla con el procedimiento y resultado XFA es para hoy

Answer 1

-2X+6 = X-36

-2X-X = -6-36

-3X = -42

X = -42/-3

X = 14

Comprobación:

-2X+6 = X-36

-2•14+6 = 14-36

-28+6 = -22

-22 = -22

2X-13 = 4X-9

2X-4X = -9+13

-2X = 4

X = 4/-2

X = -2

Comprobación:

2X-13 = 4X-9

2(-2)-13 = 4(-2)-9

-4-13 = -8-9

-17 = -17

7X+23 = 3X+47

7X-3X = -23+47

4X = 24

X = 24/4

X = 6

Comprobación:

7X+23 = 3X+47

7•6+23 = 3•6+47

42+23 = 18+47

65 = 65

4X-42 = -X+8

4X+X = 8+42

5X = 50

X = 50/5

X = 10

Comprobación:

4X-42 = -X+8

4(10)-42 = -(10)+8

40-42 = -10+8

-2 = -2

Atte: Karina Monserrat Cerna