MatemáticasBásico1 respuestas

7x - 5 = 164x - 2 = - 182x + 3 = - 53x - 9 = - 320x + 7 - 3 = 15x + 19?

7x - 5 = 16 4x - 2 = - 18 2x + 3 = - 5 3x - 9 = - 3 20x + 7 - 3 = 15x + 19.

3Isabellaabril1

En resumen

7x—5 = 26 7x = 26 + 5 7x = 31 X = 31 / 7 4x—2 = —18 4x = —18 + 2 4x = —26 X = —26 / 4 2x + 3 = —5 2x = —5—3 2x = —8 X = —8 / 2 X = —4 3x—9 = —3 3x = —3 + 9 3x = 6 X = 6 / 3 X = 2 20x + 7—3 = 15x + 19 20x—15x = 19—7 + 3 5x = 15 X = 15 / 5 X = 3.

Mejor respuesta

Alejandracadavoxcrng

9

7x—5 = 26

7x = 26 + 5

7x = 31

X = 31 / 7 4x—2 = —18

4x = —18 + 2

4x = —26

X = —26 / 4 2x + 3 = —5

2x = —5—3

2x = —8

X = —8 / 2

X = —4 3x—9 = —3

3x = —3 + 9

3x = 6

X = 6 / 3

X = 2 20x + 7—3 = 15x + 19

20x—15x = 19—7 + 3

5x = 15

X = 15 / 5

X = 3.