Answer:
[tex]8x+46[/tex]
Step-by-step explanation:
Insert the original values of C and D into the new expression:
[tex]2(x+8)+3(2x+10)[/tex]
Simplify the expression. Use the distributive property:
[tex]2(x)+2(8)+3(2x)+3(10)\\\\2x+16+6x+30[/tex]
Combine like terms:
[tex](2x+6x)+(16+30)\\\\8x+46=2C+3D[/tex]
:Done
