Respuesta :

Answer:

x=−8

Step-by-step explanation:

Let's solve your equation step-by-step.

x2+15=x8+12

Step 1: Simplify both sides of the equation.

12x+15=18x+12

Step 2: Subtract 1/8x from both sides.

12x+15−18x=18x+12−18x

38x+15=12

Step 3: Subtract 15 from both sides.

38x+15−15=12−15

38x=−3

Step 4: Multiply both sides by 8/3.

(83)*(38x)=(83)*(−3)

x=−8

Answer:

x=−8