Mathematics
Grade-8
Easy
Question
Solve the equation 6r + 7 = 13 + 7r
- - 5
- - 6
- - 7
- - 8
Hint:
Take variables on one side and constants on other side to solve the equation.
The correct answer is: - 6
6r + 7 = 13 + 7r
7r - 6r = 7 - 13
r = -6
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