I need a 5 digital number
1 answer:
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Ten (10) more than (+) half (
) of a number (x) is (=) eight (8) less than (-) twice (2 x ) the number (x).
x + 10 = 2x - 8 Multiply both sides by 2
x + 20 = 4x - 16 Subtract x from both sides
20 = 3x - 16 Add 16 to both sides
36 = 3x Divide both sides by 3
12 = x
x + 20 = 4x - 16 Subtract x from both sides
20 = 3x - 16 Add 16 to both sides
36 = 3x Divide both sides by 3
12 = x
For this case we have to subtract the two distances (subtract the polynomials) and the difference will be given by the shorter miles of the second route.
Taking into account that:
Adding similar terms:
So, the correct option is C
ANswer:
Option C