For parallelogram ABCD, find the value of x.
3x + 20
B
С
A А
D
5x – 12
1 answer:
Answer:
Step-by-step explanation:
5x-12=3x+20
plus 12 both sides
5x=3x+32
-3x both sides
2x=32
divide by 2 both sides
x=16
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