Its 9 because it includes f(x)
Triangular prism and rectangular prism
X = mia's score
eric scored 10 more then mia....so eric's score is x + 10
isabella scored 16 less then twice mia's score...so isabells's score is 2x - 16
so the expression x + x + 10 + 2x - 16 is a total of all 3 people's scores combined
Answer:
x=-7
Step-by-step explanation:
divide 12 on both sides and that equals -7