t4800
t4800 t4800
  • 06-07-2021
  • Mathematics
contestada

solve |x + 5| = -7 ....

Respuesta :

VirαtKσhli
VirαtKσhli VirαtKσhli
  • 06-07-2021

Answer:

2,-12

Step-by-step explanation:

The given equation is ,

[tex]\implies |x + 5 | = -7 [/tex]

We know that modulus only gives positive value , Therefore on squaring both sides we have ,

[tex]\implies (x + 5 )^2=( -7)^2 \\\\\implies (x+5)^2=7^2\\\\\implies x + 5 =\pm 7 \\\\\implies x = 7-5,-7-5 \\\\\implies \boxed{ x = 2, -12} [/tex]

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