Choose the answer based on the most efficient method as presented in the lesson.
if the first step in the solution of the equation -x + 6 = 5 - 3x is "subtract 5," then what should the next step be?
add x
add 3x
subtrac

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.