They are: 99+67 = 166 and 99-67 = 32
How would you regroup 4 tens to find the difference between 341 and 228?
Let X be one number and Y the other. So, X + Y = 8 and X - Y = 12 Solve the set of equations simultaneously or use substitution method. X + Y = 8 X - Y = 12 (ADD THIS EQUATION TO FIRST ONE) _______________ 2X = 20, So X =10 and solving for Y using either equation, Y = -2
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Is more alike or for example, 10 and 15. well you find all the numbers that equal to 10 and 15 then look for the one that is the same number as the two. so for 10 and 15 the greatest common multiple is 5. so it means to find the one that is more alike it is the opposite of least common.
Let the first number be x, and the second number be y. So, x + y = -42 x - y = 52 add the equations; 2x = 10 divide by 2 both sides; x = 5 substitute 5 for x into the first equation; 5 + y = -42 subtract 5 to both sides; y = - 47 So the numbers are 5 and -47. Check: 5 + (-47) = -42 5 - (-47) = 5 + 47 = 52.
3 and 84.
22 and 26
29 and 36
6 & 4
37 and 21
19 and 34
28 and 36
20 & 3
12 and 24?
18 and -6.
10 and 28
They are: 2 and 140