Mathematics
Grade-7
Easy
Question
Write an equation that says that the length of the green line is equal to the length of the black line. Combine like terms.
- 27 = 3n
- 13 =n+8
- 17 =n
- 13 =n
Hint:
Finding an equation that says that the length of the green line is equal to the length of the black line
Length of green line = length of black line
The length of the green line is 13.
The black line is the sum of its segments
The correct answer is: 13 =n+8
We want to replace both sides of the equation below with numbers and variable expressions:
Length of green line = length of black line
The length of the green line is 13.
The black line is the sum of its segments, so:
length of black line = n + 8
Putting these together gives:
13 = n + 8
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