Answer:
3
Step-by-step explanation:
1+2x=7
7-1=6
2x=6
6/2=3
x=3
Answer:
15
Step-by-step explanation:
2/3 of 30 is 20, so 1/2 of 30 is 15
Answer:
The answer is 140
Step-by-step explanation:
When the total measurements of the six-shaped corners is equal 720
Then x equal to

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