What equations are equivalent to the equation 6x+9=12

Plenty

Step-by-step explanation:

Since the solution of the equation is x=1/2, you can make many up:

4x+2=4

12x+10=16

2x+4=5

and so on...

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24

in mathematics, a constraint is a condition of an optimization problem that the solution must satisfy. there are several types of constraints—primarily equality constraints, inequality constraints, and integer constraints. the set of candidate solutions that satisfy all constraints is called the feasible set.

hoped i'm right lol