Answer:


/·20
12x-15x = -8-4
-3x= -12. /·(-1)
3x=12
x=4
Step-by-step explanation:

Answer:

Step-by-step explanation:

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Red
Answer:

Step-by-step explanation:
3(2 + 4x) = -7 x 2 Distribute the 3
6 + 12x = -14 Subtract 6 from both sides of the equation
12x = -20 Divide both sides by 12
x =
Divide the top and the bottom of the fraction by 4
x = 
Answer:
6.67 m/s
Step-by-step explanation:
Answer:
Face diagonal of a cube:
Step-by-step explanation:
f2 = a2 + a. Then f2 = 2a.