annabayjar18 annabayjar18
  • 16-09-2019
  • Mathematics
contestada

Solve 7 + x - 15 = -2.

5
6
10
20

Respuesta :

aamaruf
aamaruf aamaruf
  • 16-09-2019

Answer:

x = 6

Step-by-step explanation:

7 + x - 15 = -2

⇒ x-15 +7 = -2

⇒ x -8 = -2

add 8 on both sides

⇒ x= -2 +8

∴x = 6

Answer Link
Tasyha
Tasyha Tasyha
  • 19-08-2021

Answer:

x = 6

Step-by-step explanation:

7 + x - 15 = -2

= 7 - 15 = -(15 - 7)

= -8

= -8 + x = -2

= -8 + x + 8 = -2 + 8

= x = -2 + 8

= -2 + 8

= x = 6

Answer Link

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