sofiau709 sofiau709

19-05-2017
Mathematics

contestada

How do i solve (x+3)^1/2=(3x+7)^1/4

Respuesta :

Alyssaa00 Alyssaa00

23-05-2017

Step 1: Cross-multiply.
(x+3)^1/2=(3x+7)^1/4
Step 2: Subtract 6x from both sides.
4x+12−6x=6x+14−6x
−2x+12=14
Step 3: Subtract 12 from both sides.
−2x+12−12=14−12
−2x=2
Step 4: Divide both sides by -2.
−2x/−2=2/−2

Answer:
x=−1

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