Answer:
Step-by-step explanation:
Add to both sides:
Simplify:
Multiply both sides by :
Simplify:
Divide both sides by :
Simplify:
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9514 1404 393
Answer:
x = 4
Step-by-step explanation:
The figure is a rhombus when the sides are the same length.
21 -x = 2x +9
12 = 3x . . . . . . . . add x-9 to both sides
4 = x . . . . . . . . . . divide by 3
Answer:
19/20 mile
Step-by-step explanation:
14/20 +5/20=19/20