Answer:
infinite number of solutions
Step-by-step explanation:
Given
6x + 12 = 2(3x + 6) ← distribute
6x + 12 = 6x + 12
Since expressions on both sides are the same then any value of x will be a solution to the equation. Thus there are an infinite number of solutions.
Answer
-6.3*5= -31.5
7=X+Y there are 4 adults and 3 children