johnstonsm529 johnstonsm529

11-10-2019
Mathematics

contestada

9+square root of x+3=10 solve for x

Respuesta :

sarahsalamee sarahsalamee

15-10-2019

Answer:

x = -2

Step-by-step explanation:

9 + √(x+3) = 10

collect like terms

√(x+3) = 10 - 9

√(x+3) = 1

square both sides of the equation

[√(x+3)]² = (1)²

x + 3 = 1

collect like terms

x = 1 - 3

x = -2

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