Write as an equation: The sides of a triangle are 7, x and (x + 1). The perimeter is 30.
A. 30 = 7 + (x+1)
B. 30 - 7 = 2x
C. 30 = 7 + 2 (x + 1)
D. 30 = 8+2x
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Home » Mathematics » Write as an equation: The sides of a triangle are 7, x and (x + 1). The perimeter is 30. A. 30 = 7 + (x+1) B. 30 - 7 = 2x C. 30 = 7 + 2 (x + 1) D. 30 = 8+2x