In fact, we can get rid of that seven as long as we make sure we do the same thing to both sides of the equation. An equals sign means that both sides are the same. So if we take 7 away from one side, we have to do the same thing to the other side of the equation:. So ...
A square is a regular quadrilateral and each angle equals 90°. A kite has two pairs of equal-length sides and the diagonals cross at right-angles. A rectangle has two pairs of parallel straight lines and each angle equals 90°. A rhombus has two pairs of parallel lines, as well as eq...
However, this serves as a way to help us understand why we cannot divide a number by 0. Since we know from our multiplication rules that anything multiplied by 0 is 0, the concept laid out above doesn’t hold up if 0 is a dividend, because the answer would always be 0, even if th...