Draw a number line and place a dark dot at x=(2). Place a circle at x=0.
Connect the circle at x=0 to the dot at x=2 with a line segment.
Not knowing what your M means, I can't go any further here helping you. Please explain where M came from and what it means.
Let x be equal to the number of drinks Yasmine consumed.
Jose had 2 times that drink so his number of consumed drink would be represented by 2x.
Sally had 3 fewer drink than Jose so her number of consumed drinks would be represented by 2x-3.
Altogether, the three of them consumed 72 drinks so your equation would be:
x+2x+(2x-3)=72
add like terms together:
5x-3=72
have the term with x be alone on one side of the equation, in this case by adding three to both sides:
5x=75
now divide both sides by five for the value of x and your answer is.....
x=15
