一个美术生
The second of three numbers is 1 less than the first. The third number is 5 less than the second. If the first number is twice as large as the third, Find the three numbers.
unknown values: x,y,z
equation: y=x-1
equation: z=y-5
equation: x=2*z
answer: {12;11;6}
The second of 3 numbers is 1 less than the first. the 3rd number is 5 less than the second. if the first number is twice as large as the 3rd, find the 3 numbers.
unknown values: x, y, z
equation: y = x - 1
equation: z = y - 5
equation: x = 2*z
answer: 12; 11; 6
The second of three numbers is one less than the first. The third number is five less than the second. If the first number is twice the size of the third, find the three numbers.
unknown values: x,y,z
equation: y = x - 1
equation: z = y - 5
equation: x = 2*z
answer: 12; 11; 6
twice the sum of a number and 3 is the same as 1 subtracted from the number. Find the number
unknown values: x
equation: 2*(x+3)=x-1
answer: -7
if n=7,what is the value of 3n+4
unknown values: x
equation: n=7
equation: x=3*n+4
answer: 25
find the two consecutive odd integers such that twice the smaller decreased by the larger equals 53
unknown values: 2*k+1,2*k+3
equation: 2*(2*k+1) = 53+(2*k+3)
answer: 55;57
find two consecutive odd integers such that twice the lager is 17 more than the smaller
unknown values: 2*k+1,2*k+3
equation: 2(2*k+3) = 17 + (2*k+1)
answer: 13; 15
If the smallest of the three consecutive integer is added to twice the largest, the result is seven less than four times the middle. Find the numbers.
unknown values: x,x+1,x+2
equation: x + 2(x+2) = 4(x+1) - 7
answer: 7;8;9
If the larger of two numbers is divided by 6 and is subtracted from three times the smaller one, the result is 44. If the smaller number is increased by 4, the result is half the larger numbers. Find the numbers.
unknown values: x,y
equation: 3*y-(x/6) = 44
equation: y+4 = (1/2)x
answer: {42;17}
Eight times the sum of a number and -2 is the same as nine times the number. Find the number.
unknown values: x
equation: 8(x-2)=9*x
answer: -16