Hi, lets call the number x so in this case X - 26 = 18 The simple form is to add inverse numbers to each side to make it easier. This means that we take one of the numbers and add it to both sides as a negative. In this instance we'll use -26. At the moment it's negative so we'll add a positive to each side. I have made bold the two inverse numbers I have added. X -26 + 26 = 18 + 26 So on the left side we have -26 + 26 = 0 so we can simplify it to X - 0, or just X On the right hand side we have 18 + 26 = 44 so we have the answer X = 44 44 - 26 = 18
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When subtracting a negative number, you can think of it as adding the positive equivalent. In this case, 18 minus a negative 18 is the same as 18 plus 18, which equals 36. This is because subtracting a negative number is equivalent to adding its positive counterpart.
30
26/18 in its simplest form as a mixed number is: 1 4/9. Math: 26/18 26 -18 8 1 8/18 reduce => 1 4/9
X - 7 = 11 X = 11+7 therefore X = 18 18 minus 7 equals 11.
It is: -12+38 = 26