B. All rectangles are parallelograms! And C. All equilateral triangles are isosceles! :-)
Like in real life problems?
if yes then when conducting a survey, when grading quizzes/assignments, etc
1/2x + 3 = 2/3x + 1....multiply everything by the common denominator of 6
3x + 18 = 4x + 6
3x - 4x = 6 - 18
-x = - 12
x = 12 <====
multiplying by the common denominator will get rid of the fractions
