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To solve the equation "twice the difference of x and 8 is -18," we first need to determine the difference of x and 8, which is x - 8. Then, we multiply this difference by 2 to get "twice the difference," which becomes 2(x - 8). Setting this equal to -18 gives us the equation 2(x - 8) = -18. Solving for x, we distribute the 2 to get 2x - 16 = -18, then add 16 to both sides to get 2x = -2, and finally divide by 2 to find x = -1.
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Continue Learning about Other Math
The sum of twice a number and 18 less than the number is the same as the difference between -34 and the number?
52
The difference of twice a number and 3 is -21 translation?
24
What is seven eighths of 16?
7/8 of 18 = (7 x 18)/8 = 126/8 = 15.75 or 1/8 of 18 = 18/8 = 2.25 2.25 x 7 = 15.75
The sum of twice the number and 7 less than the number is the difference between -39 and the number?
46
What times 8 equals 18?
2.25 x 8 = 18
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